Finding the Third Proportional to 645,306 and 1,002,474

Step by Step Solution

1. Step 1: Write the proportion equation
   645,306 : 1,002,474 = 1,002,474 : x
2. Step 2: Convert to fraction form
   645,306/1,002,474 = 1,002,474/x
3. Step 3: Cross multiply
   645,306x = 1,002,474 × 1,002,474
4. Step 4: Simplify right side
   645,306x = 1,004,954,120,676
5. Step 5: Solve for x
   x = 1,004,954,120,676/645,306
6. Step 6: Final answer
   x = 1,557,329.58