428420 divided by 99 
Our goal is to divide 428420 by 99.

Advancing to step 1:
4 divided by 99 is 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Fetch the next digit (2) from the dividend, attach it to 4 and continue: 42 / 99

On to step 2:
If we divide 42 by 99, we get 0 and a remainder of 42.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 42, we get 42.
Fetch the next digit (8) from the dividend, attach it to 42 and continue: 428 / 99

Going ahead to step 3:
When dividing 428 by 99, we get 4 with a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtract 396 from 428 to get 32.
Take the next digit (4) from the dividend and append it to 32, then repeat: 324 / 99

Advancing to step 4:
The number 99 fits into 324 3 times, leaving a remainder of 27.
The number 3 becomes the next digit in our result. 
Result so far: 43.0
Subtract 297 from 324 to get 27.
Append the next digit (2) from the dividend to 27 and continue with: 272 / 99

Going ahead to step 5:
272 divided by 99 is 2 with a remainder of 74.
Write down 2 as next digit of the result. 
Result so far: 432.0
Subtracting 198 from 272 leaves us with 74.
Take the next digit (0) from the dividend and append it to 74, then repeat: 740 / 99

Going ahead to step 6:
99 goes into 740 7 times with a remainder of 47.
Record the quotient 7 as the next digit in the result. 
Result so far: 4327.0
Deduct 693 from 740 and we're left with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

On to step 7:
If we divide 470 by 99, we get 4 and a remainder of 74.
Put 4 as the next digit of the answer. 
Result so far: 4327.4
If we take 396 away from 470, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 8:
99 goes into 740 7 times with a remainder of 47.
Put 7 as the next digit of the answer. 
Result so far: 4327.47
Subtracting 693 from 740 leaves us with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Going ahead to step 9:
The number 99 fits into 470 4 times, leaving a remainder of 74.
The number 4 becomes the next digit in our result. 
Result so far: 4327.474
Deduct 396 from 470 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 10:
When dividing 740 by 99, we get 7 with a remainder of 47.
Put 7 as the next digit of the answer. 
Result so far: 4327.4747
If we take 693 away from 740, we end up with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Let's proceed to step 11:
470 divided by 99 is 4 with a remainder of 74.
Write down 4 as next digit of the result. 
Result so far: 4327.47474
Deduct 396 from 470 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Moving on to step 12:
The number 99 fits into 740 7 times, leaving a remainder of 47.
Use 7 as the next digit of our solution. 
Result so far: 4327.474747
If we take 693 away from 740, we end up with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Moving on to step 13:
The number 99 fits into 470 4 times, leaving a remainder of 74.
Use 4 as the next digit of our solution. 
Result so far: 4327.4747474
The remainder is 74 after subtracting 396 from 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 14:
740 divided by 99 is 7 with a remainder of 47.
Put 7 as the next digit of the answer. 
Result so far: 4327.47474747
Deduct 693 from 740 and we're left with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

In conclusion, the division gives 4327.47474747 with a balance of 4.7e-08.