Finding the Third Proportional to 62,631.50 and 131,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,631.50 : 131,417.50 = 131,417.50 : x
2. Step 2: Convert to fraction form
   62,631.50/131,417.50 = 131,417.50/x
3. Step 3: Cross multiply
   62,631.50x = 131,417.50 × 131,417.50
4. Step 4: Simplify right side
   62,631.50x = 17,270,559,306.25
5. Step 5: Solve for x
   x = 17,270,559,306.25/62,631.50
6. Step 6: Final answer
   x = 275,748.77