Finding the Third Proportional to 366,978 and 773,744

Step by Step Solution

1. Step 1: Write the proportion equation
   366,978 : 773,744 = 773,744 : x
2. Step 2: Convert to fraction form
   366,978/773,744 = 773,744/x
3. Step 3: Cross multiply
   366,978x = 773,744 × 773,744
4. Step 4: Simplify right side
   366,978x = 598,679,777,536
5. Step 5: Solve for x
   x = 598,679,777,536/366,978
6. Step 6: Final answer
   x = 1,631,377.84