Finding the Third Proportional to 229,840 and 487,512

Step by Step Solution

1. Step 1: Write the proportion equation
   229,840 : 487,512 = 487,512 : x
2. Step 2: Convert to fraction form
   229,840/487,512 = 487,512/x
3. Step 3: Cross multiply
   229,840x = 487,512 × 487,512
4. Step 4: Simplify right side
   229,840x = 237,667,950,144
5. Step 5: Solve for x
   x = 237,667,950,144/229,840
6. Step 6: Final answer
   x = 1,034,058.26