Finding the Third Proportional to 356,978 and 573,951

Step by Step Solution

1. Step 1: Write the proportion equation
   356,978 : 573,951 = 573,951 : x
2. Step 2: Convert to fraction form
   356,978/573,951 = 573,951/x
3. Step 3: Cross multiply
   356,978x = 573,951 × 573,951
4. Step 4: Simplify right side
   356,978x = 329,419,750,401
5. Step 5: Solve for x
   x = 329,419,750,401/356,978
6. Step 6: Final answer
   x = 922,801.27