Finding the Third Proportional to 108,093.50 and 172,678

Step by Step Solution

1. Step 1: Write the proportion equation
   108,093.50 : 172,678 = 172,678 : x
2. Step 2: Convert to fraction form
   108,093.50/172,678 = 172,678/x
3. Step 3: Cross multiply
   108,093.50x = 172,678 × 172,678
4. Step 4: Simplify right side
   108,093.50x = 29,817,691,684
5. Step 5: Solve for x
   x = 29,817,691,684/108,093.50
6. Step 6: Final answer
   x = 275,850.92