Finding the Third Proportional to 3,787,880 and 8,137,936

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787,880 : 8,137,936 = 8,137,936 : x
2. Step 2: Convert to fraction form
   3,787,880/8,137,936 = 8,137,936/x
3. Step 3: Cross multiply
   3,787,880x = 8,137,936 × 8,137,936
4. Step 4: Simplify right side
   3,787,880x = 66,226,002,340,096
5. Step 5: Solve for x
   x = 66,226,002,340,096/3,787,880
6. Step 6: Final answer
   x = 17,483,659.02