Finding the Third Proportional to 3,947,768 and 5,784,777

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,768 : 5,784,777 = 5,784,777 : x
2. Step 2: Convert to fraction form
   3,947,768/5,784,777 = 5,784,777/x
3. Step 3: Cross multiply
   3,947,768x = 5,784,777 × 5,784,777
4. Step 4: Simplify right side
   3,947,768x = 33,463,644,939,729
5. Step 5: Solve for x
   x = 33,463,644,939,729/3,947,768
6. Step 6: Final answer
   x = 8,476,598.66