Finding the Third Proportional to 109,164.75 and 173,589

Step by Step Solution

1. Step 1: Write the proportion equation
   109,164.75 : 173,589 = 173,589 : x
2. Step 2: Convert to fraction form
   109,164.75/173,589 = 173,589/x
3. Step 3: Cross multiply
   109,164.75x = 173,589 × 173,589
4. Step 4: Simplify right side
   109,164.75x = 30,133,140,921
5. Step 5: Solve for x
   x = 30,133,140,921/109,164.75
6. Step 6: Final answer
   x = 276,033.62