Finding the Third Proportional to 131,928 and 311,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,928 : 311,124.50 = 311,124.50 : x
2. Step 2: Convert to fraction form
   131,928/311,124.50 = 311,124.50/x
3. Step 3: Cross multiply
   131,928x = 311,124.50 × 311,124.50
4. Step 4: Simplify right side
   131,928x = 96,798,454,500.25
5. Step 5: Solve for x
   x = 96,798,454,500.25/131,928
6. Step 6: Final answer
   x = 733,721.84