Finding the Third Proportional to 108,081.50 and 172,662

Step by Step Solution

1. Step 1: Write the proportion equation
   108,081.50 : 172,662 = 172,662 : x
2. Step 2: Convert to fraction form
   108,081.50/172,662 = 172,662/x
3. Step 3: Cross multiply
   108,081.50x = 172,662 × 172,662
4. Step 4: Simplify right side
   108,081.50x = 29,812,166,244
5. Step 5: Solve for x
   x = 29,812,166,244/108,081.50
6. Step 6: Final answer
   x = 275,830.43