Finding the Third Proportional to 5,091,048 and 10,978,728

Step by Step Solution

1. Step 1: Write the proportion equation
   5,091,048 : 10,978,728 = 10,978,728 : x
2. Step 2: Convert to fraction form
   5,091,048/10,978,728 = 10,978,728/x
3. Step 3: Cross multiply
   5,091,048x = 10,978,728 × 10,978,728
4. Step 4: Simplify right side
   5,091,048x = 120,532,468,497,984
5. Step 5: Solve for x
   x = 120,532,468,497,984/5,091,048
6. Step 6: Final answer
   x = 23,675,374.60