Finding the Third Proportional to 108,976 and 168,810

Step by Step Solution

1. Step 1: Write the proportion equation
   108,976 : 168,810 = 168,810 : x
2. Step 2: Convert to fraction form
   108,976/168,810 = 168,810/x
3. Step 3: Cross multiply
   108,976x = 168,810 × 168,810
4. Step 4: Simplify right side
   108,976x = 28,496,816,100
5. Step 5: Solve for x
   x = 28,496,816,100/108,976
6. Step 6: Final answer
   x = 261,496.26