Finding the Third Proportional to 111,060 and 171,987.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,060 : 171,987.75 = 171,987.75 : x
2. Step 2: Convert to fraction form
   111,060/171,987.75 = 171,987.75/x
3. Step 3: Cross multiply
   111,060x = 171,987.75 × 171,987.75
4. Step 4: Simplify right side
   111,060x = 29,579,786,150.06
5. Step 5: Solve for x
   x = 29,579,786,150.06/111,060
6. Step 6: Final answer
   x = 266,340.59