Finding the Third Proportional to 16,399,404 and 25,458,588

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399,404 : 25,458,588 = 25,458,588 : x
2. Step 2: Convert to fraction form
   16,399,404/25,458,588 = 25,458,588/x
3. Step 3: Cross multiply
   16,399,404x = 25,458,588 × 25,458,588
4. Step 4: Simplify right side
   16,399,404x = 648,139,702,953,744
5. Step 5: Solve for x
   x = 648,139,702,953,744/16,399,404
6. Step 6: Final answer
   x = 39,522,149.89