Finding the Third Proportional to 111,168 and 171,956.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,168 : 171,956.25 = 171,956.25 : x
2. Step 2: Convert to fraction form
   111,168/171,956.25 = 171,956.25/x
3. Step 3: Cross multiply
   111,168x = 171,956.25 × 171,956.25
4. Step 4: Simplify right side
   111,168x = 29,568,951,914.06
5. Step 5: Solve for x
   x = 29,568,951,914.06/111,168
6. Step 6: Final answer
   x = 265,984.38