Finding the Third Proportional to 243.38 and 334.69

Step by Step Solution

1. Step 1: Write the proportion equation
   243.38 : 334.69 = 334.69 : x
2. Step 2: Convert to fraction form
   243.38/334.69 = 334.69/x
3. Step 3: Cross multiply
   243.38x = 334.69 × 334.69
4. Step 4: Simplify right side
   243.38x = 112,015.72
5. Step 5: Solve for x
   x = 112,015.72/243.38
6. Step 6: Final answer
   x = 460.26