Finding the Third Proportional to 144,544.50 and 222,453

Step by Step Solution

1. Step 1: Write the proportion equation
   144,544.50 : 222,453 = 222,453 : x
2. Step 2: Convert to fraction form
   144,544.50/222,453 = 222,453/x
3. Step 3: Cross multiply
   144,544.50x = 222,453 × 222,453
4. Step 4: Simplify right side
   144,544.50x = 49,485,337,209
5. Step 5: Solve for x
   x = 49,485,337,209/144,544.50
6. Step 6: Final answer
   x = 342,353.65