Finding the Third Proportional to 326,972 and 443,802

Step by Step Solution

1. Step 1: Write the proportion equation
   326,972 : 443,802 = 443,802 : x
2. Step 2: Convert to fraction form
   326,972/443,802 = 443,802/x
3. Step 3: Cross multiply
   326,972x = 443,802 × 443,802
4. Step 4: Simplify right side
   326,972x = 196,960,215,204
5. Step 5: Solve for x
   x = 196,960,215,204/326,972
6. Step 6: Final answer
   x = 602,376.40