Finding the Third Proportional to 111,265.50 and 170,786.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,265.50 : 170,786.25 = 170,786.25 : x
2. Step 2: Convert to fraction form
   111,265.50/170,786.25 = 170,786.25/x
3. Step 3: Cross multiply
   111,265.50x = 170,786.25 × 170,786.25
4. Step 4: Simplify right side
   111,265.50x = 29,167,943,189.06
5. Step 5: Solve for x
   x = 29,167,943,189.06/111,265.50
6. Step 6: Final answer
   x = 262,147.24