Finding the Third Proportional to 67,401 and 144,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,401 : 144,067.50 = 144,067.50 : x
2. Step 2: Convert to fraction form
   67,401/144,067.50 = 144,067.50/x
3. Step 3: Cross multiply
   67,401x = 144,067.50 × 144,067.50
4. Step 4: Simplify right side
   67,401x = 20,755,444,556.25
5. Step 5: Solve for x
   x = 20,755,444,556.25/67,401
6. Step 6: Final answer
   x = 307,939.71