Finding the Third Proportional to 502,668 and 1,040,328

Step by Step Solution

1. Step 1: Write the proportion equation
   502,668 : 1,040,328 = 1,040,328 : x
2. Step 2: Convert to fraction form
   502,668/1,040,328 = 1,040,328/x
3. Step 3: Cross multiply
   502,668x = 1,040,328 × 1,040,328
4. Step 4: Simplify right side
   502,668x = 1,082,282,347,584
5. Step 5: Solve for x
   x = 1,082,282,347,584/502,668
6. Step 6: Final answer
   x = 2,153,075.88