Finding the Third Proportional to 144,363.50 and 297,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,363.50 : 297,880.50 = 297,880.50 : x
2. Step 2: Convert to fraction form
   144,363.50/297,880.50 = 297,880.50/x
3. Step 3: Cross multiply
   144,363.50x = 297,880.50 × 297,880.50
4. Step 4: Simplify right side
   144,363.50x = 88,732,792,280.25
5. Step 5: Solve for x
   x = 88,732,792,280.25/144,363.50
6. Step 6: Final answer
   x = 614,648.39