Finding the Third Proportional to 119,900 and 262,644

Step by Step Solution

1. Step 1: Write the proportion equation
   119,900 : 262,644 = 262,644 : x
2. Step 2: Convert to fraction form
   119,900/262,644 = 262,644/x
3. Step 3: Cross multiply
   119,900x = 262,644 × 262,644
4. Step 4: Simplify right side
   119,900x = 68,981,870,736
5. Step 5: Solve for x
   x = 68,981,870,736/119,900
6. Step 6: Final answer
   x = 575,328.36