Finding the Third Proportional to 108,839.25 and 168,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,839.25 : 168,111.75 = 168,111.75 : x
2. Step 2: Convert to fraction form
   108,839.25/168,111.75 = 168,111.75/x
3. Step 3: Cross multiply
   108,839.25x = 168,111.75 × 168,111.75
4. Step 4: Simplify right side
   108,839.25x = 28,261,560,488.06
5. Step 5: Solve for x
   x = 28,261,560,488.06/108,839.25
6. Step 6: Final answer
   x = 259,663.32