Finding the Third Proportional to 2,439,218 and 3,623,439

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439,218 : 3,623,439 = 3,623,439 : x
2. Step 2: Convert to fraction form
   2,439,218/3,623,439 = 3,623,439/x
3. Step 3: Cross multiply
   2,439,218x = 3,623,439 × 3,623,439
4. Step 4: Simplify right side
   2,439,218x = 13,129,310,186,721
5. Step 5: Solve for x
   x = 13,129,310,186,721/2,439,218
6. Step 6: Final answer
   x = 5,382,589.91