Finding the Third Proportional to 141.43 and 214.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141.43 : 214.52 = 214.52 : x
2. Step 2: Convert to fraction form
   141.43/214.52 = 214.52/x
3. Step 3: Cross multiply
   141.43x = 214.52 × 214.52
4. Step 4: Simplify right side
   141.43x = 46,020.31
5. Step 5: Solve for x
   x = 46,020.31/141.43
6. Step 6: Final answer
   x = 325.38