Finding the Third Proportional to 144,146.50 and 219,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,146.50 : 219,773.50 = 219,773.50 : x
2. Step 2: Convert to fraction form
   144,146.50/219,773.50 = 219,773.50/x
3. Step 3: Cross multiply
   144,146.50x = 219,773.50 × 219,773.50
4. Step 4: Simplify right side
   144,146.50x = 48,300,391,302.25
5. Step 5: Solve for x
   x = 48,300,391,302.25/144,146.50
6. Step 6: Final answer
   x = 335,078.49