Finding the Third Proportional to 111,918 and 173,550.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,918 : 173,550.75 = 173,550.75 : x
2. Step 2: Convert to fraction form
   111,918/173,550.75 = 173,550.75/x
3. Step 3: Cross multiply
   111,918x = 173,550.75 × 173,550.75
4. Step 4: Simplify right side
   111,918x = 30,119,862,825.56
5. Step 5: Solve for x
   x = 30,119,862,825.56/111,918
6. Step 6: Final answer
   x = 269,124.38