Finding the Third Proportional to 322,454.50 and 683,324

Step by Step Solution

1. Step 1: Write the proportion equation
   322,454.50 : 683,324 = 683,324 : x
2. Step 2: Convert to fraction form
   322,454.50/683,324 = 683,324/x
3. Step 3: Cross multiply
   322,454.50x = 683,324 × 683,324
4. Step 4: Simplify right side
   322,454.50x = 466,931,688,976
5. Step 5: Solve for x
   x = 466,931,688,976/322,454.50
6. Step 6: Final answer
   x = 1,448,054.50