Finding the Third Proportional to 144,394 and 222,223

Step by Step Solution

1. Step 1: Write the proportion equation
   144,394 : 222,223 = 222,223 : x
2. Step 2: Convert to fraction form
   144,394/222,223 = 222,223/x
3. Step 3: Cross multiply
   144,394x = 222,223 × 222,223
4. Step 4: Simplify right side
   144,394x = 49,383,061,729
5. Step 5: Solve for x
   x = 49,383,061,729/144,394
6. Step 6: Final answer
   x = 342,002.17