Finding the Third Proportional to 16,399,384 and 25,458,587

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399,384 : 25,458,587 = 25,458,587 : x
2. Step 2: Convert to fraction form
   16,399,384/25,458,587 = 25,458,587/x
3. Step 3: Cross multiply
   16,399,384x = 25,458,587 × 25,458,587
4. Step 4: Simplify right side
   16,399,384x = 648,139,652,036,569
5. Step 5: Solve for x
   x = 648,139,652,036,569/16,399,384
6. Step 6: Final answer
   x = 39,522,194.98