Finding the Third Proportional to 3,877,311 and 8,524,662

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,311 : 8,524,662 = 8,524,662 : x
2. Step 2: Convert to fraction form
   3,877,311/8,524,662 = 8,524,662/x
3. Step 3: Cross multiply
   3,877,311x = 8,524,662 × 8,524,662
4. Step 4: Simplify right side
   3,877,311x = 72,669,862,214,244
5. Step 5: Solve for x
   x = 72,669,862,214,244/3,877,311
6. Step 6: Final answer
   x = 18,742,335.14