Finding the Third Proportional to 67.92 and 141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 141.12 = 141.12 : x
2. Step 2: Convert to fraction form
   67.92/141.12 = 141.12/x
3. Step 3: Cross multiply
   67.92x = 141.12 × 141.12
4. Step 4: Simplify right side
   67.92x = 19,914.06
5. Step 5: Solve for x
   x = 19,914.06/67.92
6. Step 6: Final answer
   x = 293.19