Finding the Third Proportional to 329.06 and 667.41

Step by Step Solution

1. Step 1: Write the proportion equation
   329.06 : 667.41 = 667.41 : x
2. Step 2: Convert to fraction form
   329.06/667.41 = 667.41/x
3. Step 3: Cross multiply
   329.06x = 667.41 × 667.41
4. Step 4: Simplify right side
   329.06x = 445,431.10
5. Step 5: Solve for x
   x = 445,431.10/329.06
6. Step 6: Final answer
   x = 1,353.64