Finding the Third Proportional to 16,404 and 25,448.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404 : 25,448.75 = 25,448.75 : x
2. Step 2: Convert to fraction form
   16,404/25,448.75 = 25,448.75/x
3. Step 3: Cross multiply
   16,404x = 25,448.75 × 25,448.75
4. Step 4: Simplify right side
   16,404x = 647,638,876.56
5. Step 5: Solve for x
   x = 647,638,876.56/16,404
6. Step 6: Final answer
   x = 39,480.55