Finding the Third Proportional to 2,939,648 and 4,542,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939,648 : 4,542,640 = 4,542,640 : x
2. Step 2: Convert to fraction form
   2,939,648/4,542,640 = 4,542,640/x
3. Step 3: Cross multiply
   2,939,648x = 4,542,640 × 4,542,640
4. Step 4: Simplify right side
   2,939,648x = 20,635,578,169,600
5. Step 5: Solve for x
   x = 20,635,578,169,600/2,939,648
6. Step 6: Final answer
   x = 7,019,744.60