Finding the Third Proportional to 144,385.50 and 297,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,385.50 : 297,976.50 = 297,976.50 : x
2. Step 2: Convert to fraction form
   144,385.50/297,976.50 = 297,976.50/x
3. Step 3: Cross multiply
   144,385.50x = 297,976.50 × 297,976.50
4. Step 4: Simplify right side
   144,385.50x = 88,789,994,552.25
5. Step 5: Solve for x
   x = 88,789,994,552.25/144,385.50
6. Step 6: Final answer
   x = 614,950.91