Finding the Third Proportional to 152,739 and 331,614

Step by Step Solution

1. Step 1: Write the proportion equation
   152,739 : 331,614 = 331,614 : x
2. Step 2: Convert to fraction form
   152,739/331,614 = 331,614/x
3. Step 3: Cross multiply
   152,739x = 331,614 × 331,614
4. Step 4: Simplify right side
   152,739x = 109,967,844,996
5. Step 5: Solve for x
   x = 109,967,844,996/152,739
6. Step 6: Final answer
   x = 719,972.27