Finding the Third Proportional to 59,008.50 and 129,681

Step by Step Solution

1. Step 1: Write the proportion equation
   59,008.50 : 129,681 = 129,681 : x
2. Step 2: Convert to fraction form
   59,008.50/129,681 = 129,681/x
3. Step 3: Cross multiply
   59,008.50x = 129,681 × 129,681
4. Step 4: Simplify right side
   59,008.50x = 16,817,161,761
5. Step 5: Solve for x
   x = 16,817,161,761/59,008.50
6. Step 6: Final answer
   x = 284,995.58