Finding the Third Proportional to 67.92 and 109.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 109.34 = 109.34 : x
2. Step 2: Convert to fraction form
   67.92/109.34 = 109.34/x
3. Step 3: Cross multiply
   67.92x = 109.34 × 109.34
4. Step 4: Simplify right side
   67.92x = 11,954.35
5. Step 5: Solve for x
   x = 11,954.35/67.92
6. Step 6: Final answer
   x = 176.00