Finding the Third Proportional to 4,204,374 and 9,222,636

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,374 : 9,222,636 = 9,222,636 : x
2. Step 2: Convert to fraction form
   4,204,374/9,222,636 = 9,222,636/x
3. Step 3: Cross multiply
   4,204,374x = 9,222,636 × 9,222,636
4. Step 4: Simplify right side
   4,204,374x = 85,057,014,788,496
5. Step 5: Solve for x
   x = 85,057,014,788,496/4,204,374
6. Step 6: Final answer
   x = 20,230,601.46