Finding the Third Proportional to 2,800,815 and 5,704,338

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800,815 : 5,704,338 = 5,704,338 : x
2. Step 2: Convert to fraction form
   2,800,815/5,704,338 = 5,704,338/x
3. Step 3: Cross multiply
   2,800,815x = 5,704,338 × 5,704,338
4. Step 4: Simplify right side
   2,800,815x = 32,539,472,018,244
5. Step 5: Solve for x
   x = 32,539,472,018,244/2,800,815
6. Step 6: Final answer
   x = 11,617,858.38