Finding the Third Proportional to 12,017.50 and 16,487

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017.50 : 16,487 = 16,487 : x
2. Step 2: Convert to fraction form
   12,017.50/16,487 = 16,487/x
3. Step 3: Cross multiply
   12,017.50x = 16,487 × 16,487
4. Step 4: Simplify right side
   12,017.50x = 271,821,169
5. Step 5: Solve for x
   x = 271,821,169/12,017.50
6. Step 6: Final answer
   x = 22,618.78