Finding the Third Proportional to 108,979 and 166,636

Step by Step Solution

1. Step 1: Write the proportion equation
   108,979 : 166,636 = 166,636 : x
2. Step 2: Convert to fraction form
   108,979/166,636 = 166,636/x
3. Step 3: Cross multiply
   108,979x = 166,636 × 166,636
4. Step 4: Simplify right side
   108,979x = 27,767,556,496
5. Step 5: Solve for x
   x = 27,767,556,496/108,979
6. Step 6: Final answer
   x = 254,797.31