Finding the Third Proportional to 3,941,012 and 8,471,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941,012 : 8,471,392 = 8,471,392 : x
2. Step 2: Convert to fraction form
   3,941,012/8,471,392 = 8,471,392/x
3. Step 3: Cross multiply
   3,941,012x = 8,471,392 × 8,471,392
4. Step 4: Simplify right side
   3,941,012x = 71,764,482,417,664
5. Step 5: Solve for x
   x = 71,764,482,417,664/3,941,012
6. Step 6: Final answer
   x = 18,209,658.44