Finding the Third Proportional to 16,309,986 and 25,911,411

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309,986 : 25,911,411 = 25,911,411 : x
2. Step 2: Convert to fraction form
   16,309,986/25,911,411 = 25,911,411/x
3. Step 3: Cross multiply
   16,309,986x = 25,911,411 × 25,911,411
4. Step 4: Simplify right side
   16,309,986x = 671,401,220,010,921
5. Step 5: Solve for x
   x = 671,401,220,010,921/16,309,986
6. Step 6: Final answer
   x = 41,165,039.63