Finding the Third Proportional to 16,779,123 and 25,910,469

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779,123 : 25,910,469 = 25,910,469 : x
2. Step 2: Convert to fraction form
   16,779,123/25,910,469 = 25,910,469/x
3. Step 3: Cross multiply
   16,779,123x = 25,910,469 × 25,910,469
4. Step 4: Simplify right side
   16,779,123x = 671,352,403,799,961
5. Step 5: Solve for x
   x = 671,352,403,799,961/16,779,123
6. Step 6: Final answer
   x = 40,011,173.64