Finding the Third Proportional to 3,504,357 and 5,123,493

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,357 : 5,123,493 = 5,123,493 : x
2. Step 2: Convert to fraction form
   3,504,357/5,123,493 = 5,123,493/x
3. Step 3: Cross multiply
   3,504,357x = 5,123,493 × 5,123,493
4. Step 4: Simplify right side
   3,504,357x = 26,250,180,521,049
5. Step 5: Solve for x
   x = 26,250,180,521,049/3,504,357
6. Step 6: Final answer
   x = 7,490,726.69