Finding the Third Proportional to 62,308.13 and 137,071.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,308.13 : 137,071.31 = 137,071.31 : x
2. Step 2: Convert to fraction form
   62,308.13/137,071.31 = 137,071.31/x
3. Step 3: Cross multiply
   62,308.13x = 137,071.31 × 137,071.31
4. Step 4: Simplify right side
   62,308.13x = 18,788,544,710.47
5. Step 5: Solve for x
   x = 18,788,544,710.47/62,308.13
6. Step 6: Final answer
   x = 301,542.45