Finding the Third Proportional to 59,158.50 and 129,234

Step by Step Solution

1. Step 1: Write the proportion equation
   59,158.50 : 129,234 = 129,234 : x
2. Step 2: Convert to fraction form
   59,158.50/129,234 = 129,234/x
3. Step 3: Cross multiply
   59,158.50x = 129,234 × 129,234
4. Step 4: Simplify right side
   59,158.50x = 16,701,426,756
5. Step 5: Solve for x
   x = 16,701,426,756/59,158.50
6. Step 6: Final answer
   x = 282,316.60