Finding the Third Proportional to 322,760 and 683,914

Step by Step Solution

1. Step 1: Write the proportion equation
   322,760 : 683,914 = 683,914 : x
2. Step 2: Convert to fraction form
   322,760/683,914 = 683,914/x
3. Step 3: Cross multiply
   322,760x = 683,914 × 683,914
4. Step 4: Simplify right side
   322,760x = 467,738,359,396
5. Step 5: Solve for x
   x = 467,738,359,396/322,760
6. Step 6: Final answer
   x = 1,449,183.17