Finding the Third Proportional to 4,204,780 and 9,223,448

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,780 : 9,223,448 = 9,223,448 : x
2. Step 2: Convert to fraction form
   4,204,780/9,223,448 = 9,223,448/x
3. Step 3: Cross multiply
   4,204,780x = 9,223,448 × 9,223,448
4. Step 4: Simplify right side
   4,204,780x = 85,071,993,008,704
5. Step 5: Solve for x
   x = 85,071,993,008,704/4,204,780
6. Step 6: Final answer
   x = 20,232,210.25