Finding the Third Proportional to 322,737.75 and 682,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,737.75 : 682,411.50 = 682,411.50 : x
2. Step 2: Convert to fraction form
   322,737.75/682,411.50 = 682,411.50/x
3. Step 3: Cross multiply
   322,737.75x = 682,411.50 × 682,411.50
4. Step 4: Simplify right side
   322,737.75x = 465,685,455,332.25
5. Step 5: Solve for x
   x = 465,685,455,332.25/322,737.75
6. Step 6: Final answer
   x = 1,442,922.17