Finding the Third Proportional to 146,283.50 and 218,468

Step by Step Solution

1. Step 1: Write the proportion equation
   146,283.50 : 218,468 = 218,468 : x
2. Step 2: Convert to fraction form
   146,283.50/218,468 = 218,468/x
3. Step 3: Cross multiply
   146,283.50x = 218,468 × 218,468
4. Step 4: Simplify right side
   146,283.50x = 47,728,267,024
5. Step 5: Solve for x
   x = 47,728,267,024/146,283.50
6. Step 6: Final answer
   x = 326,272.39