Finding the Third Proportional to 62,589 and 129,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,589 : 129,322.50 = 129,322.50 : x
2. Step 2: Convert to fraction form
   62,589/129,322.50 = 129,322.50/x
3. Step 3: Cross multiply
   62,589x = 129,322.50 × 129,322.50
4. Step 4: Simplify right side
   62,589x = 16,724,309,006.25
5. Step 5: Solve for x
   x = 16,724,309,006.25/62,589
6. Step 6: Final answer
   x = 267,208.44