Finding the Third Proportional to 16,407.50 and 25,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407.50 : 25,454.50 = 25,454.50 : x
2. Step 2: Convert to fraction form
   16,407.50/25,454.50 = 25,454.50/x
3. Step 3: Cross multiply
   16,407.50x = 25,454.50 × 25,454.50
4. Step 4: Simplify right side
   16,407.50x = 647,931,570.25
5. Step 5: Solve for x
   x = 647,931,570.25/16,407.50
6. Step 6: Final answer
   x = 39,489.96