Finding the Third Proportional to 144,484 and 222,398

Step by Step Solution

1. Step 1: Write the proportion equation
   144,484 : 222,398 = 222,398 : x
2. Step 2: Convert to fraction form
   144,484/222,398 = 222,398/x
3. Step 3: Cross multiply
   144,484x = 222,398 × 222,398
4. Step 4: Simplify right side
   144,484x = 49,460,870,404
5. Step 5: Solve for x
   x = 49,460,870,404/144,484
6. Step 6: Final answer
   x = 342,327.67