Finding the Third Proportional to 2,540,754,228 and 5,503,605,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,754,228 : 5,503,605,288 = 5,503,605,288 : x
2. Step 2: Convert to fraction form
   2,540,754,228/5,503,605,288 = 5,503,605,288/x
3. Step 3: Cross multiply
   2,540,754,228x = 5,503,605,288 × 5,503,605,288
4. Step 4: Simplify right side
   2,540,754,228x = 30,289,671,166,101,561,344
5. Step 5: Solve for x
   x = 30,289,671,166,101,561,344/2,540,754,228
6. Step 6: Final answer
   x = 11,921,527,408.00