Finding the Third Proportional to 682,972 and 1,002,315

Step by Step Solution

1. Step 1: Write the proportion equation
   682,972 : 1,002,315 = 1,002,315 : x
2. Step 2: Convert to fraction form
   682,972/1,002,315 = 1,002,315/x
3. Step 3: Cross multiply
   682,972x = 1,002,315 × 1,002,315
4. Step 4: Simplify right side
   682,972x = 1,004,635,359,225
5. Step 5: Solve for x
   x = 1,004,635,359,225/682,972
6. Step 6: Final answer
   x = 1,470,975.91