Finding the Third Proportional to 5,090,648 and 10,978,344

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,648 : 10,978,344 = 10,978,344 : x
2. Step 2: Convert to fraction form
   5,090,648/10,978,344 = 10,978,344/x
3. Step 3: Cross multiply
   5,090,648x = 10,978,344 × 10,978,344
4. Step 4: Simplify right side
   5,090,648x = 120,524,036,982,336
5. Step 5: Solve for x
   x = 120,524,036,982,336/5,090,648
6. Step 6: Final answer
   x = 23,675,578.63