We divide 63911258 by 863
Our goal is to divide 63911258 by 863.

Moving on to step 1:
863 goes into 6 0 times with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 863

Moving on to step 2:
863 can be fit into 63 0 times, resulting in a remainder of 63.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 63 after subtracting 0 from 63.
Bring next digit (9) of the dividend behind the 63 and repeat the process: 639 / 863

Going ahead to step 3:
When dividing 639 by 863, we get 0 with a remainder of 639.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 639 and we're left with 639.
Append the next digit (1) from the dividend to 639 and continue with: 6391 / 863

Let's proceed to step 4:
The number 863 fits into 6391 7 times, leaving a remainder of 350.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtract 6041 from 6391 to get 350.
Take the next digit (1) from the dividend and append it to 350, then repeat: 3501 / 863

On to step 5:
If we divide 3501 by 863, we get 4 and a remainder of 49.
Record the quotient 4 as the next digit in the result. 
Result so far: 74.0
If we subtract 3452 from 3501, we get 49.
Grab the next digit (2) from the dividend, add it to 49, then carry on: 492 / 863

Step 6:
863 can be fit into 492 0 times, resulting in a remainder of 492.
Write down 0 as next digit of the result. 
Result so far: 740.0
If we subtract 0 from 492, we get 492.
Append the next digit (5) from the dividend to 492 and continue with: 4925 / 863

Going ahead to step 7:
If we divide 4925 by 863, we get 5 and a remainder of 610.
Record the quotient 5 as the next digit in the result. 
Result so far: 7405.0
If we subtract 4315 from 4925, we get 610.
Append the next digit (8) from the dividend to 610 and continue with: 6108 / 863

Let's proceed to step 8:
When dividing 6108 by 863, we get 7 with a remainder of 67.
Use 7 as the next digit of our solution. 
Result so far: 74057.0
Deduct 6041 from 6108 and we're left with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 9:
If we divide 670 by 863, we get 0 and a remainder of 670.
The next digit of our result is 0. 
Result so far: 74057.0
The remainder is 670 after subtracting 0 from 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

On to step 10:
863 can be fit into 6700 7 times, resulting in a remainder of 659.
The next digit of our result is 7. 
Result so far: 74057.07
Subtracting 6041 from 6700 leaves us with 659.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6590, and continue the process.

Moving on to step 11:
863 goes into 6590 7 times with a remainder of 549.
Write down 7 as next digit of the result. 
Result so far: 74057.077
Deduct 6041 from 6590 and we're left with 549.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

The final outcome is 74057.077, with a leftover of 0.0549.