Finding the Third Proportional to 3,973,271 and 8,581,622

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,271 : 8,581,622 = 8,581,622 : x
2. Step 2: Convert to fraction form
   3,973,271/8,581,622 = 8,581,622/x
3. Step 3: Cross multiply
   3,973,271x = 8,581,622 × 8,581,622
4. Step 4: Simplify right side
   3,973,271x = 73,644,236,150,884
5. Step 5: Solve for x
   x = 73,644,236,150,884/3,973,271
6. Step 6: Final answer
   x = 18,534,913.97