Finding the Third Proportional to 67.30 and 104.19

Step by Step Solution

1. Step 1: Write the proportion equation
   67.30 : 104.19 = 104.19 : x
2. Step 2: Convert to fraction form
   67.30/104.19 = 104.19/x
3. Step 3: Cross multiply
   67.30x = 104.19 × 104.19
4. Step 4: Simplify right side
   67.30x = 10,855.04
5. Step 5: Solve for x
   x = 10,855.04/67.30
6. Step 6: Final answer
   x = 161.30