Finding the Third Proportional to 323,350 and 667,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,350 : 667,454.50 = 667,454.50 : x
2. Step 2: Convert to fraction form
   323,350/667,454.50 = 667,454.50/x
3. Step 3: Cross multiply
   323,350x = 667,454.50 × 667,454.50
4. Step 4: Simplify right side
   323,350x = 445,495,509,570.25
5. Step 5: Solve for x
   x = 445,495,509,570.25/323,350
6. Step 6: Final answer
   x = 1,377,750.15