Finding the Third Proportional to 146,272.50 and 218,448

Step by Step Solution

1. Step 1: Write the proportion equation
   146,272.50 : 218,448 = 218,448 : x
2. Step 2: Convert to fraction form
   146,272.50/218,448 = 218,448/x
3. Step 3: Cross multiply
   146,272.50x = 218,448 × 218,448
4. Step 4: Simplify right side
   146,272.50x = 47,719,528,704
5. Step 5: Solve for x
   x = 47,719,528,704/146,272.50
6. Step 6: Final answer
   x = 326,237.19