We look at the division of 43493589 by 307 
We want to divide 43493589 by 307.

Step 1:
307 can be fit into 4 0 times, resulting in 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 / 307

On to step 2:
43 divided by 307 is 0 with a remainder of 43.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 43 and we're left with 43.
Fetch the next digit (4) from the dividend, attach it to 43 and continue: 434 / 307

On to step 3:
434 divided by 307 is 1 with a remainder of 127.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 307 from 434, we get 127.
Append the next digit (9) from the dividend to 127 and continue with: 1279 / 307

Let's proceed to step 4:
307 can be fit into 1279 4 times, resulting in a remainder of 51.
Use 4 as the next digit of our solution. 
Result so far: 14.0
Deduct 1228 from 1279 and we're left with 51.
Fetch the next digit (3) from the dividend, attach it to 51 and continue: 513 / 307

Moving on to step 5:
If we divide 513 by 307, we get 1 and a remainder of 206.
The number 1 becomes the next digit in our result. 
Result so far: 141.0
The remainder is 206 after subtracting 307 from 513.
Include the next digit (5) from the dividend after 206, then repeat: 2065 / 307

Going ahead to step 6:
307 goes into 2065 6 times with a remainder of 223.
Use 6 as the next digit of our solution. 
Result so far: 1416.0
Deduct 1842 from 2065 and we're left with 223.
Bring next digit (8) of the dividend behind the 223 and repeat the process: 2238 / 307

On to step 7:
The number 307 fits into 2238 7 times, leaving a remainder of 89.
Use 7 as the next digit of our solution. 
Result so far: 14167.0
The remainder is 89 after subtracting 2149 from 2238.
Append the next digit (9) from the dividend to 89 and continue with: 899 / 307

Advancing to step 8:
307 goes into 899 2 times with a remainder of 285.
Put 2 as the next digit of the answer. 
Result so far: 141672.0
Deduct 614 from 899 and we're left with 285.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2850, and continue the process.

Step 9:
307 goes into 2850 9 times with a remainder of 87.
Put 9 as the next digit of the answer. 
Result so far: 141672.9
Subtract 2763 from 2850 to get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Advancing to step 10:
When dividing 870 by 307, we get 2 with a remainder of 256.
The next digit of our result is 2. 
Result so far: 141672.92
Subtracting 614 from 870 leaves us with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Going ahead to step 11:
When dividing 2560 by 307, we get 8 with a remainder of 104.
Write down 8 as next digit of the result. 
Result so far: 141672.928
The remainder is 104 after subtracting 2456 from 2560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Step 12:
When dividing 1040 by 307, we get 3 with a remainder of 119.
Put 3 as the next digit of the answer. 
Result so far: 141672.9283
The remainder is 119 after subtracting 921 from 1040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1190, and continue the process.

Going ahead to step 13:
307 can be fit into 1190 3 times, resulting in a remainder of 269.
The next digit of our result is 3. 
Result so far: 141672.92833
Subtract 921 from 1190 to get 269.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2690, and continue the process.

The final result is 141672.92833 with a remainder of 0.000269.