Finding the Third Proportional to 219,840 and 470,808

Step by Step Solution

1. Step 1: Write the proportion equation
   219,840 : 470,808 = 470,808 : x
2. Step 2: Convert to fraction form
   219,840/470,808 = 470,808/x
3. Step 3: Cross multiply
   219,840x = 470,808 × 470,808
4. Step 4: Simplify right side
   219,840x = 221,660,172,864
5. Step 5: Solve for x
   x = 221,660,172,864/219,840
6. Step 6: Final answer
   x = 1,008,279.53