Finding the Third Proportional to 12,465 and 17,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465 : 17,149.50 = 17,149.50 : x
2. Step 2: Convert to fraction form
   12,465/17,149.50 = 17,149.50/x
3. Step 3: Cross multiply
   12,465x = 17,149.50 × 17,149.50
4. Step 4: Simplify right side
   12,465x = 294,105,350.25
5. Step 5: Solve for x
   x = 294,105,350.25/12,465
6. Step 6: Final answer
   x = 23,594.49