Finding the Third Proportional to 108,836.50 and 168,180

Step by Step Solution

1. Step 1: Write the proportion equation
   108,836.50 : 168,180 = 168,180 : x
2. Step 2: Convert to fraction form
   108,836.50/168,180 = 168,180/x
3. Step 3: Cross multiply
   108,836.50x = 168,180 × 168,180
4. Step 4: Simplify right side
   108,836.50x = 28,284,512,400
5. Step 5: Solve for x
   x = 28,284,512,400/108,836.50
6. Step 6: Final answer
   x = 259,880.76