Finding the Third Proportional to 67.08 and 103.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67.08 : 103.15 = 103.15 : x
2. Step 2: Convert to fraction form
   67.08/103.15 = 103.15/x
3. Step 3: Cross multiply
   67.08x = 103.15 × 103.15
4. Step 4: Simplify right side
   67.08x = 10,639.60
5. Step 5: Solve for x
   x = 10,639.60/67.08
6. Step 6: Final answer
   x = 158.62