Finding the Third Proportional to 322,300 and 683,018

Step by Step Solution

1. Step 1: Write the proportion equation
   322,300 : 683,018 = 683,018 : x
2. Step 2: Convert to fraction form
   322,300/683,018 = 683,018/x
3. Step 3: Cross multiply
   322,300x = 683,018 × 683,018
4. Step 4: Simplify right side
   322,300x = 466,513,588,324
5. Step 5: Solve for x
   x = 466,513,588,324/322,300
6. Step 6: Final answer
   x = 1,447,451.41