Finding the Third Proportional to 222,436.50 and 479,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,436.50 : 479,863.50 = 479,863.50 : x
2. Step 2: Convert to fraction form
   222,436.50/479,863.50 = 479,863.50/x
3. Step 3: Cross multiply
   222,436.50x = 479,863.50 × 479,863.50
4. Step 4: Simplify right side
   222,436.50x = 230,268,978,632.25
5. Step 5: Solve for x
   x = 230,268,978,632.25/222,436.50
6. Step 6: Final answer
   x = 1,035,212.20