Finding the Third Proportional to 216,396 and 470,898

Step by Step Solution

1. Step 1: Write the proportion equation
   216,396 : 470,898 = 470,898 : x
2. Step 2: Convert to fraction form
   216,396/470,898 = 470,898/x
3. Step 3: Cross multiply
   216,396x = 470,898 × 470,898
4. Step 4: Simplify right side
   216,396x = 221,744,926,404
5. Step 5: Solve for x
   x = 221,744,926,404/216,396
6. Step 6: Final answer
   x = 1,024,718.23