We're dividing 43139648 by 456 
We're looking to find how many times 456 goes into 43139648.

On to step 1:
The number 456 fits into 4 0 times, leaving a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 456

Step 2:
43 divided by 456 is 0 with a remainder of 43.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 43 leaves us with 43.
Append the next digit (1) from the dividend to 43 and continue with: 431 / 456

Moving on to step 3:
456 can be fit into 431 0 times, resulting in a remainder of 431.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 431, we end up with 431.
Append the next digit (3) from the dividend to 431 and continue with: 4313 / 456

Going ahead to step 4:
If we divide 4313 by 456, we get 9 and a remainder of 209.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Subtract 4104 from 4313 to get 209.
Take the next digit (9) from the dividend and append it to 209, then repeat: 2099 / 456

On to step 5:
If we divide 2099 by 456, we get 4 and a remainder of 275.
Put 4 as the next digit of the answer. 
Result so far: 94.0
Subtracting 1824 from 2099 leaves us with 275.
Fetch the next digit (6) from the dividend, attach it to 275 and continue: 2756 / 456

Moving on to step 6:
456 goes into 2756 6 times with a remainder of 20.
The number 6 becomes the next digit in our result. 
Result so far: 946.0
If we subtract 2736 from 2756, we get 20.
Include the next digit (4) from the dividend after 20, then repeat: 204 / 456

Advancing to step 7:
456 goes into 204 0 times with a remainder of 204.
Put 0 as the next digit of the answer. 
Result so far: 9460.0
Deduct 0 from 204 and we're left with 204.
Append the next digit (8) from the dividend to 204 and continue with: 2048 / 456

Let's proceed to step 8:
When dividing 2048 by 456, we get 4 with a remainder of 224.
Put 4 as the next digit of the answer. 
Result so far: 94604.0
The remainder is 224 after subtracting 1824 from 2048.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Step 9:
456 can be fit into 2240 4 times, resulting in a remainder of 416.
Record the quotient 4 as the next digit in the result. 
Result so far: 94604.4
Subtract 1824 from 2240 to 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.

Going ahead to step 10:
456 can be fit into 4160 9 times, resulting in a remainder of 56.
Write down 9 as next digit of the result. 
Result so far: 94604.49
Subtract 4104 from 4160 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 11:
560 divided by 456 is 1 with a remainder of 104.
Put 1 as the next digit of the answer. 
Result so far: 94604.491
Subtract 456 from 560 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Let's proceed to step 12:
When dividing 1040 by 456, we get 2 with a remainder of 128.
Write down 2 as next digit of the result. 
Result so far: 94604.4912
Subtracting 912 from 1040 leaves us with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 13:
When dividing 1280 by 456, we get 2 with a remainder of 368.
The next digit of our result is 2. 
Result so far: 94604.49122
If we subtract 912 from 1280, we get 368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3680, and continue the process.

Our division results in 94604.49122 with a remaining 0.000368.