Finding the Third Proportional to 3,787,977 and 8,284,545

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787,977 : 8,284,545 = 8,284,545 : x
2. Step 2: Convert to fraction form
   3,787,977/8,284,545 = 8,284,545/x
3. Step 3: Cross multiply
   3,787,977x = 8,284,545 × 8,284,545
4. Step 4: Simplify right side
   3,787,977x = 68,633,685,857,025
5. Step 5: Solve for x
   x = 68,633,685,857,025/3,787,977
6. Step 6: Final answer
   x = 18,118,823.28