Finding the Third Proportional to 222,520 and 479,996

Step by Step Solution

1. Step 1: Write the proportion equation
   222,520 : 479,996 = 479,996 : x
2. Step 2: Convert to fraction form
   222,520/479,996 = 479,996/x
3. Step 3: Cross multiply
   222,520x = 479,996 × 479,996
4. Step 4: Simplify right side
   222,520x = 230,396,160,016
5. Step 5: Solve for x
   x = 230,396,160,016/222,520
6. Step 6: Final answer
   x = 1,035,395.29