Finding the Third Proportional to 326.06 and 667.13

Step by Step Solution

1. Step 1: Write the proportion equation
   326.06 : 667.13 = 667.13 : x
2. Step 2: Convert to fraction form
   326.06/667.13 = 667.13/x
3. Step 3: Cross multiply
   326.06x = 667.13 × 667.13
4. Step 4: Simplify right side
   326.06x = 445,055.77
5. Step 5: Solve for x
   x = 445,055.77/326.06
6. Step 6: Final answer
   x = 1,364.94