Finding the Third Proportional to 222,450 and 479,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,450 : 479,890.50 = 479,890.50 : x
2. Step 2: Convert to fraction form
   222,450/479,890.50 = 479,890.50/x
3. Step 3: Cross multiply
   222,450x = 479,890.50 × 479,890.50
4. Step 4: Simplify right side
   222,450x = 230,294,891,990.25
5. Step 5: Solve for x
   x = 230,294,891,990.25/222,450
6. Step 6: Final answer
   x = 1,035,265.87