Finding the Third Proportional to 111,919 and 173,552

Step by Step Solution

1. Step 1: Write the proportion equation
   111,919 : 173,552 = 173,552 : x
2. Step 2: Convert to fraction form
   111,919/173,552 = 173,552/x
3. Step 3: Cross multiply
   111,919x = 173,552 × 173,552
4. Step 4: Simplify right side
   111,919x = 30,120,296,704
5. Step 5: Solve for x
   x = 30,120,296,704/111,919
6. Step 6: Final answer
   x = 269,125.86