Finding the Third Proportional to 111,960 and 173,349

Step by Step Solution

1. Step 1: Write the proportion equation
   111,960 : 173,349 = 173,349 : x
2. Step 2: Convert to fraction form
   111,960/173,349 = 173,349/x
3. Step 3: Cross multiply
   111,960x = 173,349 × 173,349
4. Step 4: Simplify right side
   111,960x = 30,049,875,801
5. Step 5: Solve for x
   x = 30,049,875,801/111,960
6. Step 6: Final answer
   x = 268,398.32