Finding the Third Proportional to 12,915 and 27,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,915 : 27,382.50 = 27,382.50 : x
2. Step 2: Convert to fraction form
   12,915/27,382.50 = 27,382.50/x
3. Step 3: Cross multiply
   12,915x = 27,382.50 × 27,382.50
4. Step 4: Simplify right side
   12,915x = 749,801,306.25
5. Step 5: Solve for x
   x = 749,801,306.25/12,915
6. Step 6: Final answer
   x = 58,056.62