Finding the Third Proportional to 222,123 and 324,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,123 : 324,850.50 = 324,850.50 : x
2. Step 2: Convert to fraction form
   222,123/324,850.50 = 324,850.50/x
3. Step 3: Cross multiply
   222,123x = 324,850.50 × 324,850.50
4. Step 4: Simplify right side
   222,123x = 105,527,847,350.25
5. Step 5: Solve for x
   x = 105,527,847,350.25/222,123
6. Step 6: Final answer
   x = 475,087.44