Finding the Third Proportional to 108,865.50 and 171,074.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,865.50 : 171,074.25 = 171,074.25 : x
2. Step 2: Convert to fraction form
   108,865.50/171,074.25 = 171,074.25/x
3. Step 3: Cross multiply
   108,865.50x = 171,074.25 × 171,074.25
4. Step 4: Simplify right side
   108,865.50x = 29,266,399,013.06
5. Step 5: Solve for x
   x = 29,266,399,013.06/108,865.50
6. Step 6: Final answer
   x = 268,830.80