Finding the Third Proportional to 2,647,496 and 5,780,506

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,496 : 5,780,506 = 5,780,506 : x
2. Step 2: Convert to fraction form
   2,647,496/5,780,506 = 5,780,506/x
3. Step 3: Cross multiply
   2,647,496x = 5,780,506 × 5,780,506
4. Step 4: Simplify right side
   2,647,496x = 33,414,249,616,036
5. Step 5: Solve for x
   x = 33,414,249,616,036/2,647,496
6. Step 6: Final answer
   x = 12,621,076.53