Finding the Third Proportional to 355,008 and 775,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   355,008 : 775,067.50 = 775,067.50 : x
2. Step 2: Convert to fraction form
   355,008/775,067.50 = 775,067.50/x
3. Step 3: Cross multiply
   355,008x = 775,067.50 × 775,067.50
4. Step 4: Simplify right side
   355,008x = 600,729,629,556.25
5. Step 5: Solve for x
   x = 600,729,629,556.25/355,008
6. Step 6: Final answer
   x = 1,692,158.01