Finding the Third Proportional to 229,872 and 487,110

Step by Step Solution

1. Step 1: Write the proportion equation
   229,872 : 487,110 = 487,110 : x
2. Step 2: Convert to fraction form
   229,872/487,110 = 487,110/x
3. Step 3: Cross multiply
   229,872x = 487,110 × 487,110
4. Step 4: Simplify right side
   229,872x = 237,276,152,100
5. Step 5: Solve for x
   x = 237,276,152,100/229,872
6. Step 6: Final answer
   x = 1,032,209.89