Finding the Third Proportional to 59,317 and 130,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,317 : 130,517.50 = 130,517.50 : x
2. Step 2: Convert to fraction form
   59,317/130,517.50 = 130,517.50/x
3. Step 3: Cross multiply
   59,317x = 130,517.50 × 130,517.50
4. Step 4: Simplify right side
   59,317x = 17,034,817,806.25
5. Step 5: Solve for x
   x = 17,034,817,806.25/59,317
6. Step 6: Final answer
   x = 287,182.73