Finding the Third Proportional to 144,382 and 222,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,382 : 222,211.50 = 222,211.50 : x
2. Step 2: Convert to fraction form
   144,382/222,211.50 = 222,211.50/x
3. Step 3: Cross multiply
   144,382x = 222,211.50 × 222,211.50
4. Step 4: Simplify right side
   144,382x = 49,377,950,732.25
5. Step 5: Solve for x
   x = 49,377,950,732.25/144,382
6. Step 6: Final answer
   x = 341,995.20