Finding the Third Proportional to 111,967 and 173,359

Step by Step Solution

1. Step 1: Write the proportion equation
   111,967 : 173,359 = 173,359 : x
2. Step 2: Convert to fraction form
   111,967/173,359 = 173,359/x
3. Step 3: Cross multiply
   111,967x = 173,359 × 173,359
4. Step 4: Simplify right side
   111,967x = 30,053,342,881
5. Step 5: Solve for x
   x = 30,053,342,881/111,967
6. Step 6: Final answer
   x = 268,412.50