Finding the Third Proportional to 109,176 and 173,604

Step by Step Solution

1. Step 1: Write the proportion equation
   109,176 : 173,604 = 173,604 : x
2. Step 2: Convert to fraction form
   109,176/173,604 = 173,604/x
3. Step 3: Cross multiply
   109,176x = 173,604 × 173,604
4. Step 4: Simplify right side
   109,176x = 30,138,348,816
5. Step 5: Solve for x
   x = 30,138,348,816/109,176
6. Step 6: Final answer
   x = 276,052.88