Finding the Third Proportional to 4,469,997 and 9,951,720

Step by Step Solution

1. Step 1: Write the proportion equation
   4,469,997 : 9,951,720 = 9,951,720 : x
2. Step 2: Convert to fraction form
   4,469,997/9,951,720 = 9,951,720/x
3. Step 3: Cross multiply
   4,469,997x = 9,951,720 × 9,951,720
4. Step 4: Simplify right side
   4,469,997x = 99,036,730,958,400
5. Step 5: Solve for x
   x = 99,036,730,958,400/4,469,997
6. Step 6: Final answer
   x = 22,155,883.09