Finding the Third Proportional to 216,040 and 470,816

Step by Step Solution

1. Step 1: Write the proportion equation
   216,040 : 470,816 = 470,816 : x
2. Step 2: Convert to fraction form
   216,040/470,816 = 470,816/x
3. Step 3: Cross multiply
   216,040x = 470,816 × 470,816
4. Step 4: Simplify right side
   216,040x = 221,667,705,856
5. Step 5: Solve for x
   x = 221,667,705,856/216,040
6. Step 6: Final answer
   x = 1,026,049.37