Finding the Third Proportional to 151,192 and 331,112

Step by Step Solution

1. Step 1: Write the proportion equation
   151,192 : 331,112 = 331,112 : x
2. Step 2: Convert to fraction form
   151,192/331,112 = 331,112/x
3. Step 3: Cross multiply
   151,192x = 331,112 × 331,112
4. Step 4: Simplify right side
   151,192x = 109,635,156,544
5. Step 5: Solve for x
   x = 109,635,156,544/151,192
6. Step 6: Final answer
   x = 725,138.61