Finding the Third Proportional to 217,098 and 470,804

Step by Step Solution

1. Step 1: Write the proportion equation
   217,098 : 470,804 = 470,804 : x
2. Step 2: Convert to fraction form
   217,098/470,804 = 470,804/x
3. Step 3: Cross multiply
   217,098x = 470,804 × 470,804
4. Step 4: Simplify right side
   217,098x = 221,656,406,416
5. Step 5: Solve for x
   x = 221,656,406,416/217,098
6. Step 6: Final answer
   x = 1,020,997.00