Finding the Third Proportional to 315,626 and 443,952

Step by Step Solution

1. Step 1: Write the proportion equation
   315,626 : 443,952 = 443,952 : x
2. Step 2: Convert to fraction form
   315,626/443,952 = 443,952/x
3. Step 3: Cross multiply
   315,626x = 443,952 × 443,952
4. Step 4: Simplify right side
   315,626x = 197,093,378,304
5. Step 5: Solve for x
   x = 197,093,378,304/315,626
6. Step 6: Final answer
   x = 624,452.29