Finding the Third Proportional to 111,269 and 170,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,269 : 170,791.50 = 170,791.50 : x
2. Step 2: Convert to fraction form
   111,269/170,791.50 = 170,791.50/x
3. Step 3: Cross multiply
   111,269x = 170,791.50 × 170,791.50
4. Step 4: Simplify right side
   111,269x = 29,169,736,472.25
5. Step 5: Solve for x
   x = 29,169,736,472.25/111,269
6. Step 6: Final answer
   x = 262,155.11