Finding the Third Proportional to 3,412,635 and 5,155,245

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,635 : 5,155,245 = 5,155,245 : x
2. Step 2: Convert to fraction form
   3,412,635/5,155,245 = 5,155,245/x
3. Step 3: Cross multiply
   3,412,635x = 5,155,245 × 5,155,245
4. Step 4: Simplify right side
   3,412,635x = 26,576,551,010,025
5. Step 5: Solve for x
   x = 26,576,551,010,025/3,412,635
6. Step 6: Final answer
   x = 7,787,692.21