Finding the Third Proportional to 143,388 and 222,750

Step by Step Solution

1. Step 1: Write the proportion equation
   143,388 : 222,750 = 222,750 : x
2. Step 2: Convert to fraction form
   143,388/222,750 = 222,750/x
3. Step 3: Cross multiply
   143,388x = 222,750 × 222,750
4. Step 4: Simplify right side
   143,388x = 49,617,562,500
5. Step 5: Solve for x
   x = 49,617,562,500/143,388
6. Step 6: Final answer
   x = 346,037.06