Finding the Third Proportional to 146,200.50 and 220,380

Step by Step Solution

1. Step 1: Write the proportion equation
   146,200.50 : 220,380 = 220,380 : x
2. Step 2: Convert to fraction form
   146,200.50/220,380 = 220,380/x
3. Step 3: Cross multiply
   146,200.50x = 220,380 × 220,380
4. Step 4: Simplify right side
   146,200.50x = 48,567,344,400
5. Step 5: Solve for x
   x = 48,567,344,400/146,200.50
6. Step 6: Final answer
   x = 332,196.84