7391002 divided by 138 
Our goal is to divide 7391002 by 138.

Step 1:
The number 138 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (3) from the dividend and append it to 7, then repeat: 73 / 138

Moving on to step 2:
73 divided by 138 is 0 with a remainder of 73.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 73 to get 73.
Include the next digit (9) from the dividend after 73, then repeat: 739 / 138

Step 3:
138 can be fit into 739 5 times, resulting in a remainder of 49.
Write down 5 as next digit of the result. 
Result so far: 5.0
The remainder is 49 after subtracting 690 from 739.
Append the next digit (1) from the dividend to 49 and continue with: 491 / 138

Advancing to step 4:
When dividing 491 by 138, we get 3 with a remainder of 77.
Write down 3 as next digit of the result. 
Result so far: 53.0
Subtracting 414 from 491 leaves us with 77.
Take the next digit (0) from the dividend and append it to 77, then repeat: 770 / 138

Going ahead to step 5:
When dividing 770 by 138, we get 5 with a remainder of 80.
Write down 5 as next digit of the result. 
Result so far: 535.0
Subtract 690 from 770 to get 80.
Include the next digit (0) from the dividend after 80, then repeat: 800 / 138

Advancing to step 6:
138 goes into 800 5 times with a remainder of 110.
Record the quotient 5 as the next digit in the result. 
Result so far: 5355.0
Deduct 690 from 800 and we're left with 110.
Fetch the next digit (2) from the dividend, attach it to 110 and continue: 1102 / 138

On to step 7:
The number 138 fits into 1102 7 times, leaving a remainder of 136.
Put 7 as the next digit of the answer. 
Result so far: 53557.0
If we subtract 966 from 1102, we get 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Step 8:
138 can be fit into 1360 9 times, resulting in a remainder of 118.
Use 9 as the next digit of our solution. 
Result so far: 53557.9
If we subtract 1242 from 1360, we get 118.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1180, and continue the process.

Step 9:
138 can be fit into 1180 8 times, resulting in a remainder of 76.
Write down 8 as next digit of the result. 
Result so far: 53557.98
Deduct 1104 from 1180 and we're left with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 10:
138 goes into 760 5 times with a remainder of 70.
Record the quotient 5 as the next digit in the result. 
Result so far: 53557.985
Subtract 690 from 760 to get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 11:
The number 138 fits into 700 5 times, leaving a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 53557.9855
Subtracting 690 from 700 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final result is 53557.9855 with a remainder of 0.0001.