9930221 ÷ 434 
Our goal is to divide 9930221 by 434.

On to step 1:
The number 434 fits into 9 0 times, leaving a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Append the next digit (9) from the dividend to 9 and continue with: 99 / 434

On to step 2:
If we divide 99 by 434, we get 0 and a remainder of 99.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 99 after subtracting 0 from 99.
Bring next digit (3) of the dividend behind the 99 and repeat the process: 993 / 434

Moving on to step 3:
993 divided by 434 is 2 with a remainder of 125.
The next digit of our result is 2. 
Result so far: 2.0
If we take 868 away from 993, we end up with 125.
Fetch the next digit (0) from the dividend, attach it to 125 and continue: 1250 / 434

Step 4:
The number 434 fits into 1250 2 times, leaving a remainder of 382.
Write down 2 as next digit of the result. 
Result so far: 22.0
The remainder is 382 after subtracting 868 from 1250.
Grab the next digit (2) from the dividend, add it to 382, then carry on: 3822 / 434

On to step 5:
434 goes into 3822 8 times with a remainder of 350.
Record the quotient 8 as the next digit in the result. 
Result so far: 228.0
The remainder is 350 after subtracting 3472 from 3822.
Include the next digit (2) from the dividend after 350, then repeat: 3502 / 434

Advancing to step 6:
The number 434 fits into 3502 8 times, leaving a remainder of 30.
The number 8 becomes the next digit in our result. 
Result so far: 2288.0
If we subtract 3472 from 3502, we get 30.
Bring next digit (1) of the dividend behind the 30 and repeat the process: 301 / 434

Advancing to step 7:
434 can be fit into 301 0 times, resulting in a remainder of 301.
Record the quotient 0 as the next digit in the result. 
Result so far: 22880.0
If we subtract 0 from 301, we get 301.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3010, and continue the process.

Going ahead to step 8:
3010 divided by 434 is 6 with a remainder of 406.
Put 6 as the next digit of the answer. 
Result so far: 22880.6
The remainder is 406 after subtracting 2604 from 3010.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4060, and continue the process.

Step 9:
If we divide 4060 by 434, we get 9 and a remainder of 154.
The number 9 becomes the next digit in our result. 
Result so far: 22880.69
The remainder is 154 after subtracting 3906 from 4060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Going ahead to step 10:
When dividing 1540 by 434, we get 3 with a remainder of 238.
Write down 3 as next digit of the result. 
Result so far: 22880.693
Subtract 1302 from 1540 to get 238.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2380, and continue the process.

Advancing to step 11:
When dividing 2380 by 434, we get 5 with a remainder of 210.
The next digit of our result is 5. 
Result so far: 22880.6935
If we subtract 2170 from 2380, we get 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Step 12:
2100 divided by 434 is 4 with a remainder of 364.
Put 4 as the next digit of the answer. 
Result so far: 22880.69354
Subtract 1736 from 2100 to get 364.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3640, and continue the process.

Let's proceed to step 13:
The number 434 fits into 3640 8 times, leaving a remainder of 168.
Write down 8 as next digit of the result. 
Result so far: 22880.693548
Deduct 3472 from 3640 and we're left with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

Advancing to step 14:
If we divide 1680 by 434, we get 3 and a remainder of 378.
Record the quotient 3 as the next digit in the result. 
Result so far: 22880.6935483
If we subtract 1302 from 1680, we get 378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3780, and continue the process.

Step 15:
434 can be fit into 3780 8 times, resulting in a remainder of 308.
Write down 8 as next digit of the result. 
Result so far: 22880.69354838
Deduct 3472 from 3780 and we're left with 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

In conclusion, the division gives 22880.69354838 with a balance of 3.08e-07.