We divide 86781231 by 788
We want to divide 86781231 by 788.

Let's proceed to step 1:
The number 788 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Bring next digit (6) of the dividend behind the 8 and repeat the process: 86 / 788

Advancing to step 2:
86 divided by 788 is 0 with a remainder of 86.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 86 after subtracting 0 from 86.
Bring next digit (7) of the dividend behind the 86 and repeat the process: 867 / 788

Going ahead to step 3:
867 divided by 788 is 1 with a remainder of 79.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 788 away from 867, we end up with 79.
Append the next digit (8) from the dividend to 79 and continue with: 798 / 788

On to step 4:
788 can be fit into 798 1 times, resulting in a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
Subtracting 788 from 798 leaves us with 10.
Grab the next digit (1) from the dividend, add it to 10, then carry on: 101 / 788

On to step 5:
788 can be fit into 101 0 times, resulting in a remainder of 101.
Use 0 as the next digit of our solution. 
Result so far: 110.0
Deduct 0 from 101 and we're left with 101.
Append the next digit (2) from the dividend to 101 and continue with: 1012 / 788

Going ahead to step 6:
788 can be fit into 1012 1 times, resulting in a remainder of 224.
Put 1 as the next digit of the answer. 
Result so far: 1101.0
If we subtract 788 from 1012, we get 224.
Append the next digit (3) from the dividend to 224 and continue with: 2243 / 788

Let's proceed to step 7:
788 goes into 2243 2 times with a remainder of 667.
Record the quotient 2 as the next digit in the result. 
Result so far: 11012.0
Subtracting 1576 from 2243 leaves us with 667.
Grab the next digit (1) from the dividend, add it to 667, then carry on: 6671 / 788

Advancing to step 8:
6671 divided by 788 is 8 with a remainder of 367.
The next digit of our result is 8. 
Result so far: 110128.0
If we take 6304 away from 6671, we end up with 367.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Advancing to step 9:
788 can be fit into 3670 4 times, resulting in a remainder of 518.
The next digit of our result is 4. 
Result so far: 110128.4
The remainder is 518 after subtracting 3152 from 3670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5180, and continue the process.

Advancing to step 10:
788 can be fit into 5180 6 times, resulting in a remainder of 452.
Write down 6 as next digit of the result. 
Result so far: 110128.46
If we subtract 4728 from 5180, we get 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

Let's proceed to step 11:
If we divide 4520 by 788, we get 5 and a remainder of 580.
The next digit of our result is 5. 
Result so far: 110128.465
Deduct 3940 from 4520 and we're left with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

On to step 12:
If we divide 5800 by 788, we get 7 and a remainder of 284.
Write down 7 as next digit of the result. 
Result so far: 110128.4657
If we subtract 5516 from 5800, we get 284.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2840, and continue the process.

Going ahead to step 13:
The number 788 fits into 2840 3 times, leaving a remainder of 476.
Record the quotient 3 as the next digit in the result. 
Result so far: 110128.46573
Subtracting 2364 from 2840 leaves us with 476.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4760, and continue the process.

Advancing to step 14:
The number 788 fits into 4760 6 times, leaving a remainder of 32.
Put 6 as the next digit of the answer. 
Result so far: 110128.465736
Subtracting 4728 from 4760 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 15:
788 can be fit into 320 0 times, resulting in a remainder of 320.
Write down 0 as next digit of the result. 
Result so far: 110128.465736
Subtract 0 from 320 to get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Going ahead to step 16:
788 can be fit into 3200 4 times, resulting in a remainder of 48.
Put 4 as the next digit of the answer. 
Result so far: 110128.46573604
Subtract 3152 from 3200 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

The final outcome is 110128.46573604, with a leftover of 4.8e-08.