Finding the Third Proportional to 16,402.50 and 25,446.66

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.50 : 25,446.66 = 25,446.66 : x
2. Step 2: Convert to fraction form
   16,402.50/25,446.66 = 25,446.66/x
3. Step 3: Cross multiply
   16,402.50x = 25,446.66 × 25,446.66
4. Step 4: Simplify right side
   16,402.50x = 647,532,314.31
5. Step 5: Solve for x
   x = 647,532,314.31/16,402.50
6. Step 6: Final answer
   x = 39,477.66