Finding the Third Proportional to 4,488,720 and 9,563,784

Step by Step Solution

1. Step 1: Write the proportion equation
   4,488,720 : 9,563,784 = 9,563,784 : x
2. Step 2: Convert to fraction form
   4,488,720/9,563,784 = 9,563,784/x
3. Step 3: Cross multiply
   4,488,720x = 9,563,784 × 9,563,784
4. Step 4: Simplify right side
   4,488,720x = 91,465,964,398,656
5. Step 5: Solve for x
   x = 91,465,964,398,656/4,488,720
6. Step 6: Final answer
   x = 20,376,847.83