Finding the Third Proportional to 2,420,439 and 5,214,324

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420,439 : 5,214,324 = 5,214,324 : x
2. Step 2: Convert to fraction form
   2,420,439/5,214,324 = 5,214,324/x
3. Step 3: Cross multiply
   2,420,439x = 5,214,324 × 5,214,324
4. Step 4: Simplify right side
   2,420,439x = 27,189,174,776,976
5. Step 5: Solve for x
   x = 27,189,174,776,976/2,420,439
6. Step 6: Final answer
   x = 11,233,158.44