Finding the Third Proportional to 2,031,578 and 4,231,306

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031,578 : 4,231,306 = 4,231,306 : x
2. Step 2: Convert to fraction form
   2,031,578/4,231,306 = 4,231,306/x
3. Step 3: Cross multiply
   2,031,578x = 4,231,306 × 4,231,306
4. Step 4: Simplify right side
   2,031,578x = 17,903,950,465,636
5. Step 5: Solve for x
   x = 17,903,950,465,636/2,031,578
6. Step 6: Final answer
   x = 8,812,829.47