Finding the Third Proportional to 4,204,384 and 9,222,656

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,384 : 9,222,656 = 9,222,656 : x
2. Step 2: Convert to fraction form
   4,204,384/9,222,656 = 9,222,656/x
3. Step 3: Cross multiply
   4,204,384x = 9,222,656 × 9,222,656
4. Step 4: Simplify right side
   4,204,384x = 85,057,383,694,336
5. Step 5: Solve for x
   x = 85,057,383,694,336/4,204,384
6. Step 6: Final answer
   x = 20,230,641.09