Finding the Third Proportional to 2,569,978 and 3,855,458

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569,978 : 3,855,458 = 3,855,458 : x
2. Step 2: Convert to fraction form
   2,569,978/3,855,458 = 3,855,458/x
3. Step 3: Cross multiply
   2,569,978x = 3,855,458 × 3,855,458
4. Step 4: Simplify right side
   2,569,978x = 14,864,556,389,764
5. Step 5: Solve for x
   x = 14,864,556,389,764/2,569,978
6. Step 6: Final answer
   x = 5,783,923.59