Finding the Third Proportional to 62,404.31 and 136,687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,404.31 : 136,687.69 = 136,687.69 : x
2. Step 2: Convert to fraction form
   62,404.31/136,687.69 = 136,687.69/x
3. Step 3: Cross multiply
   62,404.31x = 136,687.69 × 136,687.69
4. Step 4: Simplify right side
   62,404.31x = 18,683,523,914.10
5. Step 5: Solve for x
   x = 18,683,523,914.10/62,404.31
6. Step 6: Final answer
   x = 299,394.76