Finding the Third Proportional to 82,387.13 and 123,580.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,387.13 : 123,580.69 = 123,580.69 : x
2. Step 2: Convert to fraction form
   82,387.13/123,580.69 = 123,580.69/x
3. Step 3: Cross multiply
   82,387.13x = 123,580.69 × 123,580.69
4. Step 4: Simplify right side
   82,387.13x = 15,272,186,322.97
5. Step 5: Solve for x
   x = 15,272,186,322.97/82,387.13
6. Step 6: Final answer
   x = 185,371.03