Finding the Third Proportional to 3,753,684 and 8,038,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753,684 : 8,038,728 = 8,038,728 : x
2. Step 2: Convert to fraction form
   3,753,684/8,038,728 = 8,038,728/x
3. Step 3: Cross multiply
   3,753,684x = 8,038,728 × 8,038,728
4. Step 4: Simplify right side
   3,753,684x = 64,621,147,857,984
5. Step 5: Solve for x
   x = 64,621,147,857,984/3,753,684
6. Step 6: Final answer
   x = 17,215,393.69