Finding the Third Proportional to 67.22 and 146.86

Step by Step Solution

1. Step 1: Write the proportion equation
   67.22 : 146.86 = 146.86 : x
2. Step 2: Convert to fraction form
   67.22/146.86 = 146.86/x
3. Step 3: Cross multiply
   67.22x = 146.86 × 146.86
4. Step 4: Simplify right side
   67.22x = 21,567.68
5. Step 5: Solve for x
   x = 21,567.68/67.22
6. Step 6: Final answer
   x = 320.86