Finding the Third Proportional to 144,829.69 and 221,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,829.69 : 221,552.72 = 221,552.72 : x
2. Step 2: Convert to fraction form
   144,829.69/221,552.72 = 221,552.72/x
3. Step 3: Cross multiply
   144,829.69x = 221,552.72 × 221,552.72
4. Step 4: Simplify right side
   144,829.69x = 49,085,607,185.52
5. Step 5: Solve for x
   x = 49,085,607,185.52/144,829.69
6. Step 6: Final answer
   x = 338,919.51