Finding the Third Proportional to 3,863,986 and 5,677,830

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863,986 : 5,677,830 = 5,677,830 : x
2. Step 2: Convert to fraction form
   3,863,986/5,677,830 = 5,677,830/x
3. Step 3: Cross multiply
   3,863,986x = 5,677,830 × 5,677,830
4. Step 4: Simplify right side
   3,863,986x = 32,237,753,508,900
5. Step 5: Solve for x
   x = 32,237,753,508,900/3,863,986
6. Step 6: Final answer
   x = 8,343,134.14