Finding the Third Proportional to 4,224,997 and 9,123,499

Step by Step Solution

1. Step 1: Write the proportion equation
   4,224,997 : 9,123,499 = 9,123,499 : x
2. Step 2: Convert to fraction form
   4,224,997/9,123,499 = 9,123,499/x
3. Step 3: Cross multiply
   4,224,997x = 9,123,499 × 9,123,499
4. Step 4: Simplify right side
   4,224,997x = 83,238,234,003,001
5. Step 5: Solve for x
   x = 83,238,234,003,001/4,224,997
6. Step 6: Final answer
   x = 19,701,371.15