Finding the Third Proportional to 3,863,998 and 5,677,845

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863,998 : 5,677,845 = 5,677,845 : x
2. Step 2: Convert to fraction form
   3,863,998/5,677,845 = 5,677,845/x
3. Step 3: Cross multiply
   3,863,998x = 5,677,845 × 5,677,845
4. Step 4: Simplify right side
   3,863,998x = 32,237,923,844,025
5. Step 5: Solve for x
   x = 32,237,923,844,025/3,863,998
6. Step 6: Final answer
   x = 8,343,152.31