Finding the Third Proportional to 370,728 and 864,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   370,728 : 864,067.50 = 864,067.50 : x
2. Step 2: Convert to fraction form
   370,728/864,067.50 = 864,067.50/x
3. Step 3: Cross multiply
   370,728x = 864,067.50 × 864,067.50
4. Step 4: Simplify right side
   370,728x = 746,612,644,556.25
5. Step 5: Solve for x
   x = 746,612,644,556.25/370,728
6. Step 6: Final answer
   x = 2,013,909.51