Finding the Third Proportional to 146,434.50 and 219,078

Step by Step Solution

1. Step 1: Write the proportion equation
   146,434.50 : 219,078 = 219,078 : x
2. Step 2: Convert to fraction form
   146,434.50/219,078 = 219,078/x
3. Step 3: Cross multiply
   146,434.50x = 219,078 × 219,078
4. Step 4: Simplify right side
   146,434.50x = 47,995,170,084
5. Step 5: Solve for x
   x = 47,995,170,084/146,434.50
6. Step 6: Final answer
   x = 327,758.62