Finding the Third Proportional to 276,876 and 395,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,876 : 395,932.50 = 395,932.50 : x
2. Step 2: Convert to fraction form
   276,876/395,932.50 = 395,932.50/x
3. Step 3: Cross multiply
   276,876x = 395,932.50 × 395,932.50
4. Step 4: Simplify right side
   276,876x = 156,762,544,556.25
5. Step 5: Solve for x
   x = 156,762,544,556.25/276,876
6. Step 6: Final answer
   x = 566,183.22