Finding the Third Proportional to 144,383.50 and 222,213.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,383.50 : 222,213.50 = 222,213.50 : x
2. Step 2: Convert to fraction form
   144,383.50/222,213.50 = 222,213.50/x
3. Step 3: Cross multiply
   144,383.50x = 222,213.50 × 222,213.50
4. Step 4: Simplify right side
   144,383.50x = 49,378,839,582.25
5. Step 5: Solve for x
   x = 49,378,839,582.25/144,383.50
6. Step 6: Final answer
   x = 341,997.80