Finding the Third Proportional to 225,828 and 490,656

Step by Step Solution

1. Step 1: Write the proportion equation
   225,828 : 490,656 = 490,656 : x
2. Step 2: Convert to fraction form
   225,828/490,656 = 490,656/x
3. Step 3: Cross multiply
   225,828x = 490,656 × 490,656
4. Step 4: Simplify right side
   225,828x = 240,743,310,336
5. Step 5: Solve for x
   x = 240,743,310,336/225,828
6. Step 6: Final answer
   x = 1,066,047.21