Finding the Third Proportional to 144,403.50 and 222,249

Step by Step Solution

1. Step 1: Write the proportion equation
   144,403.50 : 222,249 = 222,249 : x
2. Step 2: Convert to fraction form
   144,403.50/222,249 = 222,249/x
3. Step 3: Cross multiply
   144,403.50x = 222,249 × 222,249
4. Step 4: Simplify right side
   144,403.50x = 49,394,618,001
5. Step 5: Solve for x
   x = 49,394,618,001/144,403.50
6. Step 6: Final answer
   x = 342,059.70