Finding the Third Proportional to 3,867,491 and 8,196,019

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,491 : 8,196,019 = 8,196,019 : x
2. Step 2: Convert to fraction form
   3,867,491/8,196,019 = 8,196,019/x
3. Step 3: Cross multiply
   3,867,491x = 8,196,019 × 8,196,019
4. Step 4: Simplify right side
   3,867,491x = 67,174,727,448,361
5. Step 5: Solve for x
   x = 67,174,727,448,361/3,867,491
6. Step 6: Final answer
   x = 17,369,071.43