42393508 ÷ 183 
We want to divide 42393508 by 183.

On to step 1:
183 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Append the next digit (2) from the dividend to 4 and continue with: 42 / 183

Let's proceed to step 2:
42 divided by 183 is 0 with a remainder of 42.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 42, we get 42.
Fetch the next digit (3) from the dividend, attach it to 42 and continue: 423 / 183

On to step 3:
183 can be fit into 423 2 times, resulting in a remainder of 57.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtracting 366 from 423 leaves us with 57.
Bring next digit (9) of the dividend behind the 57 and repeat the process: 579 / 183

Advancing to step 4:
183 goes into 579 3 times with a remainder of 30.
The number 3 becomes the next digit in our result. 
Result so far: 23.0
If we subtract 549 from 579, we get 30.
Include the next digit (3) from the dividend after 30, then repeat: 303 / 183

Step 5:
The number 183 fits into 303 1 times, leaving a remainder of 120.
Record the quotient 1 as the next digit in the result. 
Result so far: 231.0
The remainder is 120 after subtracting 183 from 303.
Include the next digit (5) from the dividend after 120, then repeat: 1205 / 183

Advancing to step 6:
If we divide 1205 by 183, we get 6 and a remainder of 107.
Use 6 as the next digit of our solution. 
Result so far: 2316.0
If we take 1098 away from 1205, we end up with 107.
Append the next digit (0) from the dividend to 107 and continue with: 1070 / 183

Let's proceed to step 7:
183 goes into 1070 5 times with a remainder of 155.
The number 5 becomes the next digit in our result. 
Result so far: 23165.0
Subtracting 915 from 1070 leaves us with 155.
Bring next digit (8) of the dividend behind the 155 and repeat the process: 1558 / 183

Let's proceed to step 8:
If we divide 1558 by 183, we get 8 and a remainder of 94.
Record the quotient 8 as the next digit in the result. 
Result so far: 231658.0
Subtracting 1464 from 1558 leaves us with 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Let's proceed to step 9:
940 divided by 183 is 5 with a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 231658.5
The remainder is 25 after subtracting 915 from 940.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 10:
183 can be fit into 250 1 times, resulting in a remainder of 67.
The number 1 becomes the next digit in our result. 
Result so far: 231658.51
Subtracting 183 from 250 leaves us with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Advancing to step 11:
670 divided by 183 is 3 with a remainder of 121.
The number 3 becomes the next digit in our result. 
Result so far: 231658.513
Subtract 549 from 670 to get 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Advancing to step 12:
183 goes into 1210 6 times with a remainder of 112.
The next digit of our result is 6. 
Result so far: 231658.5136
The remainder is 112 after subtracting 1098 from 1210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 13:
183 can be fit into 1120 6 times, resulting in a remainder of 22.
The number 6 becomes the next digit in our result. 
Result so far: 231658.51366
Subtract 1098 from 1120 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

The final outcome is 231658.51366, with a leftover of 2.2e-05.