We're dividing 19187678 by 939 
Let's see how many times 939 fits into 19187678.

Step 1:
1 divided by 939 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Include the next digit (9) from the dividend after 1, then repeat: 19 / 939

Going ahead to step 2:
If we divide 19 by 939, we get 0 and a remainder of 19.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 19, we get 19.
Grab the next digit (1) from the dividend, add it to 19, then carry on: 191 / 939

Going ahead to step 3:
939 can be fit into 191 0 times, resulting in a remainder of 191.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 191 and we're left with 191.
Include the next digit (8) from the dividend after 191, then repeat: 1918 / 939

Going ahead to step 4:
1918 divided by 939 is 2 with a remainder of 40.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we take 1878 away from 1918, we end up with 40.
Fetch the next digit (7) from the dividend, attach it to 40 and continue: 407 / 939

Step 5:
939 goes into 407 0 times with a remainder of 407.
Use 0 as the next digit of our solution. 
Result so far: 20.0
Deduct 0 from 407 and we're left with 407.
Bring next digit (6) of the dividend behind the 407 and repeat the process: 4076 / 939

On to step 6:
If we divide 4076 by 939, we get 4 and a remainder of 320.
The number 4 becomes the next digit in our result. 
Result so far: 204.0
If we take 3756 away from 4076, we end up with 320.
Grab the next digit (7) from the dividend, add it to 320, then carry on: 3207 / 939

Let's proceed to step 7:
When dividing 3207 by 939, we get 3 with a remainder of 390.
The number 3 becomes the next digit in our result. 
Result so far: 2043.0
If we take 2817 away from 3207, we end up with 390.
Fetch the next digit (8) from the dividend, attach it to 390 and continue: 3908 / 939

Going ahead to step 8:
3908 divided by 939 is 4 with a remainder of 152.
Put 4 as the next digit of the answer. 
Result so far: 20434.0
Subtracting 3756 from 3908 leaves us with 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Advancing to step 9:
When dividing 1520 by 939, we get 1 with a remainder of 581.
Put 1 as the next digit of the answer. 
Result so far: 20434.1
If we subtract 939 from 1520, we get 581.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5810, and continue the process.

Step 10:
The number 939 fits into 5810 6 times, leaving a remainder of 176.
The number 6 becomes the next digit in our result. 
Result so far: 20434.16
The remainder is 176 after subtracting 5634 from 5810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

Let's proceed to step 11:
The number 939 fits into 1760 1 times, leaving a remainder of 821.
The number 1 becomes the next digit in our result. 
Result so far: 20434.161
The remainder is 821 after subtracting 939 from 1760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8210, and continue the process.

On to step 12:
The number 939 fits into 8210 8 times, leaving a remainder of 698.
Record the quotient 8 as the next digit in the result. 
Result so far: 20434.1618
Subtracting 7512 from 8210 leaves us with 698.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6980, and continue the process.

Advancing to step 13:
When dividing 6980 by 939, we get 7 with a remainder of 407.
Put 7 as the next digit of the answer. 
Result so far: 20434.16187
Subtracting 6573 from 6980 leaves us with 407.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4070, and continue the process.

Advancing to step 14:
When dividing 4070 by 939, we get 4 with a remainder of 314.
Record the quotient 4 as the next digit in the result. 
Result so far: 20434.161874
Subtracting 3756 from 4070 leaves us with 314.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3140, and continue the process.

Advancing to step 15:
The number 939 fits into 3140 3 times, leaving a remainder of 323.
The number 3 becomes the next digit in our result. 
Result so far: 20434.1618743
Deduct 2817 from 3140 and we're left with 323.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3230, and continue the process.

Let's proceed to step 16:
If we divide 3230 by 939, we get 3 and a remainder of 413.
The number 3 becomes the next digit in our result. 
Result so far: 20434.16187433
If we subtract 2817 from 3230, we get 413.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4130, and continue the process.

The final outcome is 20434.16187433, with a leftover of 4.13e-07.