We're dividing 78639104 by 201 
We want to figure out the number of times 78639104 can be divided by 201.

On to step 1:
201 goes into 7 0 times with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 201

On to step 2:
78 divided by 201 is 0 with a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Grab the next digit (6) from the dividend, add it to 78, then carry on: 786 / 201

On to step 3:
The number 201 fits into 786 3 times, leaving a remainder of 183.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we take 603 away from 786, we end up with 183.
Include the next digit (3) from the dividend after 183, then repeat: 1833 / 201

Moving on to step 4:
The number 201 fits into 1833 9 times, leaving a remainder of 24.
Use 9 as the next digit of our solution. 
Result so far: 39.0
If we subtract 1809 from 1833, we get 24.
Fetch the next digit (9) from the dividend, attach it to 24 and continue: 249 / 201

Step 5:
If we divide 249 by 201, we get 1 and a remainder of 48.
The number 1 becomes the next digit in our result. 
Result so far: 391.0
If we subtract 201 from 249, we get 48.
Include the next digit (1) from the dividend after 48, then repeat: 481 / 201

Moving on to step 6:
The number 201 fits into 481 2 times, leaving a remainder of 79.
Use 2 as the next digit of our solution. 
Result so far: 3912.0
Subtracting 402 from 481 leaves us with 79.
Append the next digit (0) from the dividend to 79 and continue with: 790 / 201

Moving on to step 7:
201 goes into 790 3 times with a remainder of 187.
The next digit of our result is 3. 
Result so far: 39123.0
Subtract 603 from 790 to get 187.
Append the next digit (4) from the dividend to 187 and continue with: 1874 / 201

Moving on to step 8:
201 goes into 1874 9 times with a remainder of 65.
Record the quotient 9 as the next digit in the result. 
Result so far: 391239.0
If we subtract 1809 from 1874, we get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Advancing to step 9:
201 goes into 650 3 times with a remainder of 47.
The next digit of our result is 3. 
Result so far: 391239.3
The remainder is 47 after subtracting 603 from 650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Going ahead to step 10:
201 can be fit into 470 2 times, resulting in a remainder of 68.
Use 2 as the next digit of our solution. 
Result so far: 391239.32
If we take 402 away from 470, we end up with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Let's proceed to step 11:
If we divide 680 by 201, we get 3 and a remainder of 77.
Write down 3 as next digit of the result. 
Result so far: 391239.323
If we take 603 away from 680, we end up with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Advancing to step 12:
When dividing 770 by 201, we get 3 with a remainder of 167.
Use 3 as the next digit of our solution. 
Result so far: 391239.3233
Subtract 603 from 770 to get 167.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1670, and continue the process.

Our division results in 391239.3233 with a remaining 0.00167.