30958454 ÷ 139 
Our goal is to divide 30958454 by 139.

On to step 1:
The number 139 fits into 3 0 times, leaving a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 139

Moving on to step 2:
139 can be fit into 30 0 times, resulting in a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 30 after subtracting 0 from 30.
Bring next digit (9) of the dividend behind the 30 and repeat the process: 309 / 139

On to step 3:
309 divided by 139 is 2 with a remainder of 31.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 31 after subtracting 278 from 309.
Take the next digit (5) from the dividend and append it to 31, then repeat: 315 / 139

Going ahead to step 4:
139 can be fit into 315 2 times, resulting in a remainder of 37.
Record the quotient 2 as the next digit in the result. 
Result so far: 22.0
If we subtract 278 from 315, we get 37.
Append the next digit (8) from the dividend to 37 and continue with: 378 / 139

Step 5:
139 can be fit into 378 2 times, resulting in a remainder of 100.
Record the quotient 2 as the next digit in the result. 
Result so far: 222.0
If we subtract 278 from 378, we get 100.
Bring next digit (4) of the dividend behind the 100 and repeat the process: 1004 / 139

On to step 6:
1004 divided by 139 is 7 with a remainder of 31.
The number 7 becomes the next digit in our result. 
Result so far: 2227.0
Deduct 973 from 1004 and we're left with 31.
Fetch the next digit (5) from the dividend, attach it to 31 and continue: 315 / 139

Going ahead to step 7:
139 goes into 315 2 times with a remainder of 37.
Put 2 as the next digit of the answer. 
Result so far: 22272.0
If we subtract 278 from 315, we get 37.
Fetch the next digit (4) from the dividend, attach it to 37 and continue: 374 / 139

Let's proceed to step 8:
139 can be fit into 374 2 times, resulting in a remainder of 96.
The next digit of our result is 2. 
Result so far: 222722.0
If we subtract 278 from 374, we get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Moving on to step 9:
The number 139 fits into 960 6 times, leaving a remainder of 126.
Write down 6 as next digit of the result. 
Result so far: 222722.6
If we subtract 834 from 960, we get 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Let's proceed to step 10:
If we divide 1260 by 139, we get 9 and a remainder of 9.
Use 9 as the next digit of our solution. 
Result so far: 222722.69
Subtracting 1251 from 1260 leaves us with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 11:
The number 139 fits into 90 0 times, leaving a remainder of 90.
Write down 0 as next digit of the result. 
Result so far: 222722.69
If we take 0 away from 90, we end up with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Let's proceed to step 12:
If we divide 900 by 139, we get 6 and a remainder of 66.
The next digit of our result is 6. 
Result so far: 222722.6906
If we subtract 834 from 900, we get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Let's proceed to step 13:
When dividing 660 by 139, we get 4 with a remainder of 104.
The number 4 becomes the next digit in our result. 
Result so far: 222722.69064
Deduct 556 from 660 and we're left with 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 14:
When dividing 1040 by 139, we get 7 with a remainder of 67.
Write down 7 as next digit of the result. 
Result so far: 222722.690647
Deduct 973 from 1040 and we're left 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.

On to step 15:
If we divide 670 by 139, we get 4 and a remainder of 114.
Record the quotient 4 as the next digit in the result. 
Result so far: 222722.6906474
If we subtract 556 from 670, we get 114.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

Advancing to step 16:
The number 139 fits into 1140 8 times, leaving a remainder of 28.
Write down 8 as next digit of the result. 
Result so far: 222722.69064748
The remainder is 28 after subtracting 1112 from 1140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

The final outcome is 222722.69064748, with a leftover of 2.8e-08.