Finding the Third Proportional to 326 and 443

Step by Step Solution

1. Step 1: Write the proportion equation
   326 : 443 = 443 : x
2. Step 2: Convert to fraction form
   326/443 = 443/x
3. Step 3: Cross multiply
   326x = 443 × 443
4. Step 4: Simplify right side
   326x = 196,249
5. Step 5: Solve for x
   x = 196,249/326
6. Step 6: Final answer
   x = 601.99