Finding the Third Proportional to 16,478 and 25,521

Step by Step Solution

1. Step 1: Write the proportion equation
   16,478 : 25,521 = 25,521 : x
2. Step 2: Convert to fraction form
   16,478/25,521 = 25,521/x
3. Step 3: Cross multiply
   16,478x = 25,521 × 25,521
4. Step 4: Simplify right side
   16,478x = 651,321,441
5. Step 5: Solve for x
   x = 651,321,441/16,478
6. Step 6: Final answer
   x = 39,526.73