Finding the Third Proportional to 4,542,831 and 10,007,442

Step by Step Solution

1. Step 1: Write the proportion equation
   4,542,831 : 10,007,442 = 10,007,442 : x
2. Step 2: Convert to fraction form
   4,542,831/10,007,442 = 10,007,442/x
3. Step 3: Cross multiply
   4,542,831x = 10,007,442 × 10,007,442
4. Step 4: Simplify right side
   4,542,831x = 100,148,895,383,364
5. Step 5: Solve for x
   x = 100,148,895,383,364/4,542,831
6. Step 6: Final answer
   x = 22,045,481.20