Finding the Third Proportional to 59,113 and 129,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,113 : 129,709.50 = 129,709.50 : x
2. Step 2: Convert to fraction form
   59,113/129,709.50 = 129,709.50/x
3. Step 3: Cross multiply
   59,113x = 129,709.50 × 129,709.50
4. Step 4: Simplify right side
   59,113x = 16,824,554,390.25
5. Step 5: Solve for x
   x = 16,824,554,390.25/59,113
6. Step 6: Final answer
   x = 284,616.83