Finding the Third Proportional to 4,863,996 and 10,558,728

Step by Step Solution

1. Step 1: Write the proportion equation
   4,863,996 : 10,558,728 = 10,558,728 : x
2. Step 2: Convert to fraction form
   4,863,996/10,558,728 = 10,558,728/x
3. Step 3: Cross multiply
   4,863,996x = 10,558,728 × 10,558,728
4. Step 4: Simplify right side
   4,863,996x = 111,486,736,977,984
5. Step 5: Solve for x
   x = 111,486,736,977,984/4,863,996
6. Step 6: Final answer
   x = 22,920,811.81