Finding the Third Proportional to 154,042 and 331,004

Step by Step Solution

1. Step 1: Write the proportion equation
   154,042 : 331,004 = 331,004 : x
2. Step 2: Convert to fraction form
   154,042/331,004 = 331,004/x
3. Step 3: Cross multiply
   154,042x = 331,004 × 331,004
4. Step 4: Simplify right side
   154,042x = 109,563,648,016
5. Step 5: Solve for x
   x = 109,563,648,016/154,042
6. Step 6: Final answer
   x = 711,258.28