Finding the Third Proportional to 229,674 and 487,144

Step by Step Solution

1. Step 1: Write the proportion equation
   229,674 : 487,144 = 487,144 : x
2. Step 2: Convert to fraction form
   229,674/487,144 = 487,144/x
3. Step 3: Cross multiply
   229,674x = 487,144 × 487,144
4. Step 4: Simplify right side
   229,674x = 237,309,276,736
5. Step 5: Solve for x
   x = 237,309,276,736/229,674
6. Step 6: Final answer
   x = 1,033,243.98