Finding the Third Proportional to 62,431.50 and 137,588

Step by Step Solution

1. Step 1: Write the proportion equation
   62,431.50 : 137,588 = 137,588 : x
2. Step 2: Convert to fraction form
   62,431.50/137,588 = 137,588/x
3. Step 3: Cross multiply
   62,431.50x = 137,588 × 137,588
4. Step 4: Simplify right side
   62,431.50x = 18,930,457,744
5. Step 5: Solve for x
   x = 18,930,457,744/62,431.50
6. Step 6: Final answer
   x = 303,219.65