Finding the Third Proportional to 2,648,037,645 and 5,618,859,267

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,037,645 : 5,618,859,267 = 5,618,859,267 : x
2. Step 2: Convert to fraction form
   2,648,037,645/5,618,859,267 = 5,618,859,267/x
3. Step 3: Cross multiply
   2,648,037,645x = 5,618,859,267 × 5,618,859,267
4. Step 4: Simplify right side
   2,648,037,645x = 31,571,579,462,351,777,792
5. Step 5: Solve for x
   x = 31,571,579,462,351,777,792/2,648,037,645
6. Step 6: Final answer
   x = 11,922,632,414.98