Finding the Third Proportional to 3,564,854 and 7,697,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,854 : 7,697,880 = 7,697,880 : x
2. Step 2: Convert to fraction form
   3,564,854/7,697,880 = 7,697,880/x
3. Step 3: Cross multiply
   3,564,854x = 7,697,880 × 7,697,880
4. Step 4: Simplify right side
   3,564,854x = 59,257,356,494,400
5. Step 5: Solve for x
   x = 59,257,356,494,400/3,564,854
6. Step 6: Final answer
   x = 16,622,660.14