Finding the Third Proportional to 82,721.25 and 123,751.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82,721.25 : 123,751.13 = 123,751.13 : x
2. Step 2: Convert to fraction form
   82,721.25/123,751.13 = 123,751.13/x
3. Step 3: Cross multiply
   82,721.25x = 123,751.13 × 123,751.13
4. Step 4: Simplify right side
   82,721.25x = 15,314,340,938.77
5. Step 5: Solve for x
   x = 15,314,340,938.77/82,721.25
6. Step 6: Final answer
   x = 185,131.88