Finding the Third Proportional to 59,150.25 and 129,005.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,150.25 : 129,005.16 = 129,005.16 : x
2. Step 2: Convert to fraction form
   59,150.25/129,005.16 = 129,005.16/x
3. Step 3: Cross multiply
   59,150.25x = 129,005.16 × 129,005.16
4. Step 4: Simplify right side
   59,150.25x = 16,642,330,339.09
5. Step 5: Solve for x
   x = 16,642,330,339.09/59,150.25
6. Step 6: Final answer
   x = 281,356.89