Finding the Third Proportional to 109,170 and 173,595

Step by Step Solution

1. Step 1: Write the proportion equation
   109,170 : 173,595 = 173,595 : x
2. Step 2: Convert to fraction form
   109,170/173,595 = 173,595/x
3. Step 3: Cross multiply
   109,170x = 173,595 × 173,595
4. Step 4: Simplify right side
   109,170x = 30,135,224,025
5. Step 5: Solve for x
   x = 30,135,224,025/109,170
6. Step 6: Final answer
   x = 276,039.42