54303558 ÷ 634 
We want to divide 54303558 by 634.

Advancing to step 1:
The number 634 fits into 5 0 times, leaving a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 634

Moving on to step 2:
634 goes into 54 0 times with a remainder of 54.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 54 after subtracting 0 from 54.
Bring next digit (3) of the dividend behind the 54 and repeat the process: 543 / 634

Going ahead to step 3:
634 can be fit into 543 0 times, resulting in a remainder of 543.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 543 leaves us with 543.
Grab the next digit (0) from the dividend, add it to 543, then carry on: 5430 / 634

Moving on to step 4:
The number 634 fits into 5430 8 times, leaving a remainder of 358.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Subtracting 5072 from 5430 leaves us with 358.
Take the next digit (3) from the dividend and append it to 358, then repeat: 3583 / 634

On to step 5:
634 can be fit into 3583 5 times, resulting in a remainder of 413.
Put 5 as the next digit of the answer. 
Result so far: 85.0
If we take 3170 away from 3583, we end up with 413.
Append the next digit (5) from the dividend to 413 and continue with: 4135 / 634

Going ahead to step 6:
634 can be fit into 4135 6 times, resulting in a remainder of 331.
Use 6 as the next digit of our solution. 
Result so far: 856.0
The remainder is 331 after subtracting 3804 from 4135.
Include the next digit (5) from the dividend after 331, then repeat: 3315 / 634

Let's proceed to step 7:
634 goes into 3315 5 times with a remainder of 145.
Put 5 as the next digit of the answer. 
Result so far: 8565.0
The remainder is 145 after subtracting 3170 from 3315.
Include the next digit (8) from the dividend after 145, then repeat: 1458 / 634

Going ahead to step 8:
If we divide 1458 by 634, we get 2 and a remainder of 190.
Write down 2 as next digit of the result. 
Result so far: 85652.0
Subtracting 1268 from 1458 leaves us with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

On to step 9:
If we divide 1900 by 634, we get 2 and a remainder of 632.
Record the quotient 2 as the next digit in the result. 
Result so far: 85652.2
If we subtract 1268 from 1900, we get 632.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6320, and continue the process.

Advancing to step 10:
634 can be fit into 6320 9 times, resulting in a remainder of 614.
The next digit of our result is 9. 
Result so far: 85652.29
Subtracting 5706 from 6320 leaves us with 614.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6140, and continue the process.

Going ahead to step 11:
If we divide 6140 by 634, we get 9 and a remainder of 434.
Write down 9 as next digit of the result. 
Result so far: 85652.299
Subtracting 5706 from 6140 leaves us with 434.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4340, and continue the process.

The final outcome is 85652.299, with a leftover of 0.0434.