Finding the Third Proportional to 2,648,037,649 and 5,618,859,275

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,037,649 : 5,618,859,275 = 5,618,859,275 : x
2. Step 2: Convert to fraction form
   2,648,037,649/5,618,859,275 = 5,618,859,275/x
3. Step 3: Cross multiply
   2,648,037,649x = 5,618,859,275 × 5,618,859,275
4. Step 4: Simplify right side
   2,648,037,649x = 31,571,579,552,253,526,016
5. Step 5: Solve for x
   x = 31,571,579,552,253,526,016/2,648,037,649
6. Step 6: Final answer
   x = 11,922,632,430.92