Finding the Third Proportional to 108,279 and 166,644

Step by Step Solution

1. Step 1: Write the proportion equation
   108,279 : 166,644 = 166,644 : x
2. Step 2: Convert to fraction form
   108,279/166,644 = 166,644/x
3. Step 3: Cross multiply
   108,279x = 166,644 × 166,644
4. Step 4: Simplify right side
   108,279x = 27,770,222,736
5. Step 5: Solve for x
   x = 27,770,222,736/108,279
6. Step 6: Final answer
   x = 256,469.15