Finding the Third Proportional to 154,068 and 331,132

Step by Step Solution

1. Step 1: Write the proportion equation
   154,068 : 331,132 = 331,132 : x
2. Step 2: Convert to fraction form
   154,068/331,132 = 331,132/x
3. Step 3: Cross multiply
   154,068x = 331,132 × 331,132
4. Step 4: Simplify right side
   154,068x = 109,648,401,424
5. Step 5: Solve for x
   x = 109,648,401,424/154,068
6. Step 6: Final answer
   x = 711,688.35