Finding the Third Proportional to 222,672 and 485,304

Step by Step Solution

1. Step 1: Write the proportion equation
   222,672 : 485,304 = 485,304 : x
2. Step 2: Convert to fraction form
   222,672/485,304 = 485,304/x
3. Step 3: Cross multiply
   222,672x = 485,304 × 485,304
4. Step 4: Simplify right side
   222,672x = 235,519,972,416
5. Step 5: Solve for x
   x = 235,519,972,416/222,672
6. Step 6: Final answer
   x = 1,057,699.09