Finding the Third Proportional to 111,622 and 170,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,622 : 170,053.50 = 170,053.50 : x
2. Step 2: Convert to fraction form
   111,622/170,053.50 = 170,053.50/x
3. Step 3: Cross multiply
   111,622x = 170,053.50 × 170,053.50
4. Step 4: Simplify right side
   111,622x = 28,918,192,862.25
5. Step 5: Solve for x
   x = 28,918,192,862.25/111,622
6. Step 6: Final answer
   x = 259,072.52