Finding the Third Proportional to 146,205 and 220,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,205 : 220,387.50 = 220,387.50 : x
2. Step 2: Convert to fraction form
   146,205/220,387.50 = 220,387.50/x
3. Step 3: Cross multiply
   146,205x = 220,387.50 × 220,387.50
4. Step 4: Simplify right side
   146,205x = 48,570,650,156.25
5. Step 5: Solve for x
   x = 48,570,650,156.25/146,205
6. Step 6: Final answer
   x = 332,209.23