Finding the Third Proportional to 3,412,557 and 5,140,467

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,557 : 5,140,467 = 5,140,467 : x
2. Step 2: Convert to fraction form
   3,412,557/5,140,467 = 5,140,467/x
3. Step 3: Cross multiply
   3,412,557x = 5,140,467 × 5,140,467
4. Step 4: Simplify right side
   3,412,557x = 26,424,400,978,089
5. Step 5: Solve for x
   x = 26,424,400,978,089/3,412,557
6. Step 6: Final answer
   x = 7,743,284.87