Finding the Third Proportional to 111,901.50 and 150,067.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,901.50 : 150,067.69 = 150,067.69 : x
2. Step 2: Convert to fraction form
   111,901.50/150,067.69 = 150,067.69/x
3. Step 3: Cross multiply
   111,901.50x = 150,067.69 × 150,067.69
4. Step 4: Simplify right side
   111,901.50x = 22,520,310,831.60
5. Step 5: Solve for x
   x = 22,520,310,831.60/111,901.50
6. Step 6: Final answer
   x = 201,251.20