Finding the Third Proportional to 222,920 and 481,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,920 : 481,371.50 = 481,371.50 : x
2. Step 2: Convert to fraction form
   222,920/481,371.50 = 481,371.50/x
3. Step 3: Cross multiply
   222,920x = 481,371.50 × 481,371.50
4. Step 4: Simplify right side
   222,920x = 231,718,521,012.25
5. Step 5: Solve for x
   x = 231,718,521,012.25/222,920
6. Step 6: Final answer
   x = 1,039,469.41