Finding the Third Proportional to 109,176 and 173,605

Step by Step Solution

1. Step 1: Write the proportion equation
   109,176 : 173,605 = 173,605 : x
2. Step 2: Convert to fraction form
   109,176/173,605 = 173,605/x
3. Step 3: Cross multiply
   109,176x = 173,605 × 173,605
4. Step 4: Simplify right side
   109,176x = 30,138,696,025
5. Step 5: Solve for x
   x = 30,138,696,025/109,176
6. Step 6: Final answer
   x = 276,056.06