Finding the Third Proportional to 2,648,037,647 and 5,618,859,271

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,037,647 : 5,618,859,271 = 5,618,859,271 : x
2. Step 2: Convert to fraction form
   2,648,037,647/5,618,859,271 = 5,618,859,271/x
3. Step 3: Cross multiply
   2,648,037,647x = 5,618,859,271 × 5,618,859,271
4. Step 4: Simplify right side
   2,648,037,647x = 31,571,579,507,302,649,856
5. Step 5: Solve for x
   x = 31,571,579,507,302,649,856/2,648,037,647
6. Step 6: Final answer
   x = 11,922,632,422.95