Finding the Third Proportional to 154,072 and 331,064

Step by Step Solution

1. Step 1: Write the proportion equation
   154,072 : 331,064 = 331,064 : x
2. Step 2: Convert to fraction form
   154,072/331,064 = 331,064/x
3. Step 3: Cross multiply
   154,072x = 331,064 × 331,064
4. Step 4: Simplify right side
   154,072x = 109,603,372,096
5. Step 5: Solve for x
   x = 109,603,372,096/154,072
6. Step 6: Final answer
   x = 711,377.62