Finding the Third Proportional to 16,728 and 25,915

Step by Step Solution

1. Step 1: Write the proportion equation
   16,728 : 25,915 = 25,915 : x
2. Step 2: Convert to fraction form
   16,728/25,915 = 25,915/x
3. Step 3: Cross multiply
   16,728x = 25,915 × 25,915
4. Step 4: Simplify right side
   16,728x = 671,587,225
5. Step 5: Solve for x
   x = 671,587,225/16,728
6. Step 6: Final answer
   x = 40,147.49