Finding the Third Proportional to 16,490,488 and 25,678,050

Step by Step Solution

1. Step 1: Write the proportion equation
   16,490,488 : 25,678,050 = 25,678,050 : x
2. Step 2: Convert to fraction form
   16,490,488/25,678,050 = 25,678,050/x
3. Step 3: Cross multiply
   16,490,488x = 25,678,050 × 25,678,050
4. Step 4: Simplify right side
   16,490,488x = 659,362,251,802,500
5. Step 5: Solve for x
   x = 659,362,251,802,500/16,490,488
6. Step 6: Final answer
   x = 39,984,398.99