Finding the Third Proportional to 131,864 and 311,112

Step by Step Solution

1. Step 1: Write the proportion equation
   131,864 : 311,112 = 311,112 : x
2. Step 2: Convert to fraction form
   131,864/311,112 = 311,112/x
3. Step 3: Cross multiply
   131,864x = 311,112 × 311,112
4. Step 4: Simplify right side
   131,864x = 96,790,676,544
5. Step 5: Solve for x
   x = 96,790,676,544/131,864
6. Step 6: Final answer
   x = 734,018.96