96551915 ÷ 391 
Our goal is to divide 96551915 by 391.

Step 1:
When dividing 9 by 391, we get 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Append the next digit (6) from the dividend to 9 and continue with: 96 / 391

On to step 2:
When dividing 96 by 391, we get 0 with a remainder of 96.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 96 leaves us with 96.
Append the next digit (5) from the dividend to 96 and continue with: 965 / 391

Advancing to step 3:
391 goes into 965 2 times with a remainder of 183.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 183 after subtracting 782 from 965.
Fetch the next digit (5) from the dividend, attach it to 183 and continue: 1835 / 391

On to step 4:
391 goes into 1835 4 times with a remainder of 271.
The next digit of our result is 4. 
Result so far: 24.0
If we subtract 1564 from 1835, we get 271.
Append the next digit (1) from the dividend to 271 and continue with: 2711 / 391

Let's proceed to step 5:
391 goes into 2711 6 times with a remainder of 365.
The next digit of our result is 6. 
Result so far: 246.0
Deduct 2346 from 2711 and we're left with 365.
Grab the next digit (9) from the dividend, add it to 365, then carry on: 3659 / 391

On to step 6:
When dividing 3659 by 391, we get 9 with a remainder of 140.
Record the quotient 9 as the next digit in the result. 
Result so far: 2469.0
The remainder is 140 after subtracting 3519 from 3659.
Bring next digit (1) of the dividend behind the 140 and repeat the process: 1401 / 391

Let's proceed to step 7:
When dividing 1401 by 391, we get 3 with a remainder of 228.
Write down 3 as next digit of the result. 
Result so far: 24693.0
If we take 1173 away from 1401, we end up with 228.
Append the next digit (5) from the dividend to 228 and continue with: 2285 / 391

On to step 8:
The number 391 fits into 2285 5 times, leaving a remainder of 330.
Use 5 as the next digit of our solution. 
Result so far: 246935.0
Deduct 1955 from 2285 and we're left with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Advancing to step 9:
391 can be fit into 3300 8 times, resulting in a remainder of 172.
Use 8 as the next digit of our solution. 
Result so far: 246935.8
Subtracting 3128 from 3300 leaves us with 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

Moving on to step 10:
The number 391 fits into 1720 4 times, leaving a remainder of 156.
The next digit of our result is 4. 
Result so far: 246935.84
If we take 1564 away from 1720, we end up with 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Advancing to step 11:
391 goes into 1560 3 times with a remainder of 387.
Use 3 as the next digit of our solution. 
Result so far: 246935.843
Subtracting 1173 from 1560 leaves us with 387.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Going ahead to step 12:
When dividing 3870 by 391, we get 9 with a remainder of 351.
The number 9 becomes the next digit in our result. 
Result so far: 246935.8439
The remainder is 351 after subtracting 3519 from 3870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3510, and continue the process.

Moving on to step 13:
3510 divided by 391 is 8 with a remainder of 382.
Record the quotient 8 as the next digit in the result. 
Result so far: 246935.84398
Subtracting 3128 from 3510 leaves us with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Let's proceed to step 14:
When dividing 3820 by 391, we get 9 with a remainder of 301.
Put 9 as the next digit of the answer. 
Result so far: 246935.843989
If we subtract 3519 from 3820, we get 301.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3010, and continue the process.

Step 15:
The number 391 fits into 3010 7 times, leaving a remainder of 273.
The number 7 becomes the next digit in our result. 
Result so far: 246935.8439897
Subtracting 2737 from 3010 leaves us with 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

On to step 16:
391 goes into 2730 6 times with a remainder of 384.
Write down 6 as next digit of the result. 
Result so far: 246935.84398976
If we subtract 2346 from 2730, we get 384.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3840, and continue the process.

The final outcome is 246935.84398976, with a leftover of 3.84e-07.