Finding the Third Proportional to 217,404 and 470,994

Step by Step Solution

1. Step 1: Write the proportion equation
   217,404 : 470,994 = 470,994 : x
2. Step 2: Convert to fraction form
   217,404/470,994 = 470,994/x
3. Step 3: Cross multiply
   217,404x = 470,994 × 470,994
4. Step 4: Simplify right side
   217,404x = 221,835,348,036
5. Step 5: Solve for x
   x = 221,835,348,036/217,404
6. Step 6: Final answer
   x = 1,020,383.01