Finding the Third Proportional to 111,942 and 173,322

Step by Step Solution

1. Step 1: Write the proportion equation
   111,942 : 173,322 = 173,322 : x
2. Step 2: Convert to fraction form
   111,942/173,322 = 173,322/x
3. Step 3: Cross multiply
   111,942x = 173,322 × 173,322
4. Step 4: Simplify right side
   111,942x = 30,040,515,684
5. Step 5: Solve for x
   x = 30,040,515,684/111,942
6. Step 6: Final answer
   x = 268,357.86