Finding the Third Proportional to 59,494.50 and 129,841.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,494.50 : 129,841.31 = 129,841.31 : x
2. Step 2: Convert to fraction form
   59,494.50/129,841.31 = 129,841.31/x
3. Step 3: Cross multiply
   59,494.50x = 129,841.31 × 129,841.31
4. Step 4: Simplify right side
   59,494.50x = 16,858,766,431.72
5. Step 5: Solve for x
   x = 16,858,766,431.72/59,494.50
6. Step 6: Final answer
   x = 283,366.81