Finding the Third Proportional to 217,096 and 470,800

Step by Step Solution

1. Step 1: Write the proportion equation
   217,096 : 470,800 = 470,800 : x
2. Step 2: Convert to fraction form
   217,096/470,800 = 470,800/x
3. Step 3: Cross multiply
   217,096x = 470,800 × 470,800
4. Step 4: Simplify right side
   217,096x = 221,652,640,000
5. Step 5: Solve for x
   x = 221,652,640,000/217,096
6. Step 6: Final answer
   x = 1,020,989.06