59106251 divided by 648 
Our goal is to divide 59106251 by 648.

Going ahead to step 1:
When dividing 5 by 648, we get 0 with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Take the next digit (9) from the dividend and append it to 5, then repeat: 59 / 648

Advancing to step 2:
648 can be fit into 59 0 times, resulting in a remainder of 59.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 59 after subtracting 0 from 59.
Append the next digit (1) from the dividend to 59 and continue with: 591 / 648

Going ahead to step 3:
648 goes into 591 0 times with a remainder of 591.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 591 after subtracting 0 from 591.
Fetch the next digit (0) from the dividend, attach it to 591 and continue: 5910 / 648

Let's proceed to step 4:
648 goes into 5910 9 times with a remainder of 78.
Write down 9 as next digit of the result. 
Result so far: 9.0
Subtract 5832 from 5910 to get 78.
Fetch the next digit (6) from the dividend, attach it to 78 and continue: 786 / 648

On to step 5:
The number 648 fits into 786 1 times, leaving a remainder of 138.
Put 1 as the next digit of the answer. 
Result so far: 91.0
Subtracting 648 from 786 leaves us with 138.
Bring next digit (2) of the dividend behind the 138 and repeat the process: 1382 / 648

Going ahead to step 6:
648 can be fit into 1382 2 times, resulting in a remainder of 86.
Write down 2 as next digit of the result. 
Result so far: 912.0
If we subtract 1296 from 1382, we get 86.
Include the next digit (5) from the dividend after 86, then repeat: 865 / 648

Advancing to step 7:
648 goes into 865 1 times with a remainder of 217.
The next digit of our result is 1. 
Result so far: 9121.0
Deduct 648 from 865 and we're left with 217.
Bring next digit (1) of the dividend behind the 217 and repeat the process: 2171 / 648

Step 8:
648 can be fit into 2171 3 times, resulting in a remainder of 227.
Record the quotient 3 as the next digit in the result. 
Result so far: 91213.0
If we take 1944 away from 2171, we end up with 227.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2270, and continue the process.

Going ahead to step 9:
When dividing 2270 by 648, we get 3 with a remainder of 326.
Use 3 as the next digit of our solution. 
Result so far: 91213.3
The remainder is 326 after subtracting 1944 from 2270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3260, and continue the process.

Step 10:
3260 divided by 648 is 5 with a remainder of 20.
Record the quotient 5 as the next digit in the result. 
Result so far: 91213.35
If we subtract 3240 from 3260, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 11:
200 divided by 648 is 0 with a remainder of 200.
Write down 0 as next digit of the result. 
Result so far: 91213.35
Deduct 0 from 200 and we're left with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Moving on to step 12:
648 can be fit into 2000 3 times, resulting in a remainder of 56.
Use 3 as the next digit of our solution. 
Result so far: 91213.3503
Subtract 1944 from 2000 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Advancing to step 13:
If we divide 560 by 648, we get 0 and a remainder of 560.
Put 0 as the next digit of the answer. 
Result so far: 91213.3503
The remainder is 560 after subtracting 0 from 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Going ahead to step 14:
If we divide 5600 by 648, we get 8 and a remainder of 416.
Record the quotient 8 as the next digit in the result. 
Result so far: 91213.350308
If we subtract 5184 from 5600, we get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Advancing to step 15:
When dividing 4160 by 648, we get 6 with a remainder of 272.
Record the quotient 6 as the next digit in the result. 
Result so far: 91213.3503086
Subtract 3888 from 4160 to get 272.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2720, and continue the process.

Advancing to step 16:
648 can be fit into 2720 4 times, resulting in a remainder of 128.
Use 4 as the next digit of our solution. 
Result so far: 91213.35030864
The remainder is 128 after subtracting 2592 from 2720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

The final outcome is 91213.35030864, with a leftover of 1.28e-07.