Finding the Third Proportional to 4,969,746 and 10,647,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,969,746 : 10,647,780 = 10,647,780 : x
2. Step 2: Convert to fraction form
   4,969,746/10,647,780 = 10,647,780/x
3. Step 3: Cross multiply
   4,969,746x = 10,647,780 × 10,647,780
4. Step 4: Simplify right side
   4,969,746x = 113,375,218,928,400
5. Step 5: Solve for x
   x = 113,375,218,928,400/4,969,746
6. Step 6: Final answer
   x = 22,813,081.18