Finding the Third Proportional to 71,931.38 and 151,443

Step by Step Solution

1. Step 1: Write the proportion equation
   71,931.38 : 151,443 = 151,443 : x
2. Step 2: Convert to fraction form
   71,931.38/151,443 = 151,443/x
3. Step 3: Cross multiply
   71,931.38x = 151,443 × 151,443
4. Step 4: Simplify right side
   71,931.38x = 22,934,982,249
5. Step 5: Solve for x
   x = 22,934,982,249/71,931.38
6. Step 6: Final answer
   x = 318,845.32