909739 divided by 78 
We want to divide 909739 by 78.

On to step 1:
The number 78 fits into 9 0 times, leaving a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Bring next digit (0) of the dividend behind the 9 and repeat the process: 90 / 78

Let's proceed to step 2:
90 divided by 78 is 1 with a remainder of 12.
The next digit of our result is 1. 
Result so far: 1.0
If we take 78 away from 90, we end up with 12.
Grab the next digit (9) from the dividend, add it to 12, then carry on: 129 / 78

Advancing to step 3:
78 goes into 129 1 times with a remainder of 51.
Use 1 as the next digit of our solution. 
Result so far: 11.0
The remainder is 51 after subtracting 78 from 129.
Bring next digit (7) of the dividend behind the 51 and repeat the process: 517 / 78

On to step 4:
If we divide 517 by 78, we get 6 and a remainder of 49.
Record the quotient 6 as the next digit in the result. 
Result so far: 116.0
Deduct 468 from 517 and we're left with 49.
Append the next digit (3) from the dividend to 49 and continue with: 493 / 78

Let's proceed to step 5:
The number 78 fits into 493 6 times, leaving a remainder of 25.
The number 6 becomes the next digit in our result. 
Result so far: 1166.0
The remainder is 25 after subtracting 468 from 493.
Bring next digit (9) of the dividend behind the 25 and repeat the process: 259 / 78

Going ahead to step 6:
78 can be fit into 259 3 times, resulting in a remainder of 25.
The number 3 becomes the next digit in our result. 
Result so far: 11663.0
Deduct 234 from 259 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 7:
78 goes into 250 3 times with a remainder of 16.
Record the quotient 3 as the next digit in the result. 
Result so far: 11663.3
Subtract 234 from 250 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 8:
When dividing 160 by 78, we get 2 with a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 11663.32
If we subtract 156 from 160, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 9:
78 can be fit into 40 0 times, resulting in a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 11663.32
If we subtract 0 from 40, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 10:
400 divided by 78 is 5 with a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 11663.3205
The remainder is 10 after subtracting 390 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 11:
If we divide 100 by 78, we get 1 and a remainder of 22.
Put 1 as the next digit of the answer. 
Result so far: 11663.32051
The remainder is 22 after subtracting 78 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 12:
The number 78 fits into 220 2 times, leaving a remainder of 64.
Write down 2 as next digit of the result. 
Result so far: 11663.320512
If we take 156 away from 220, we end up with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Moving on to step 13:
640 divided by 78 is 8 with a remainder of 16.
The next digit of our result is 8. 
Result so far: 11663.3205128
Subtract 624 from 640 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 14:
78 can be fit into 160 2 times, resulting in a remainder of 4.
Record the quotient 2 as the next digit in the result. 
Result so far: 11663.32051282
If we take 156 away from 160, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The final outcome is 11663.32051282, with a leftover of 4e-09.