Finding the Third Proportional to 222,336 and 487,884

Step by Step Solution

1. Step 1: Write the proportion equation
   222,336 : 487,884 = 487,884 : x
2. Step 2: Convert to fraction form
   222,336/487,884 = 487,884/x
3. Step 3: Cross multiply
   222,336x = 487,884 × 487,884
4. Step 4: Simplify right side
   222,336x = 238,030,797,456
5. Step 5: Solve for x
   x = 238,030,797,456/222,336
6. Step 6: Final answer
   x = 1,070,590.45