Finding the Third Proportional to 2,002,320 and 4,270,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002,320 : 4,270,428 = 4,270,428 : x
2. Step 2: Convert to fraction form
   2,002,320/4,270,428 = 4,270,428/x
3. Step 3: Cross multiply
   2,002,320x = 4,270,428 × 4,270,428
4. Step 4: Simplify right side
   2,002,320x = 18,236,555,303,184
5. Step 5: Solve for x
   x = 18,236,555,303,184/2,002,320
6. Step 6: Final answer
   x = 9,107,712.70