Finding the Third Proportional to 4,540,772 and 7,031,478

Step by Step Solution

1. Step 1: Write the proportion equation
   4,540,772 : 7,031,478 = 7,031,478 : x
2. Step 2: Convert to fraction form
   4,540,772/7,031,478 = 7,031,478/x
3. Step 3: Cross multiply
   4,540,772x = 7,031,478 × 7,031,478
4. Step 4: Simplify right side
   4,540,772x = 49,441,682,864,484
5. Step 5: Solve for x
   x = 49,441,682,864,484/4,540,772
6. Step 6: Final answer
   x = 10,888,387.01