Finding the Third Proportional to 4,947,450 and 10,642,830

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947,450 : 10,642,830 = 10,642,830 : x
2. Step 2: Convert to fraction form
   4,947,450/10,642,830 = 10,642,830/x
3. Step 3: Cross multiply
   4,947,450x = 10,642,830 × 10,642,830
4. Step 4: Simplify right side
   4,947,450x = 113,269,830,408,900
5. Step 5: Solve for x
   x = 113,269,830,408,900/4,947,450
6. Step 6: Final answer
   x = 22,894,588.20