Finding the Third Proportional to 2,540,499,069 and 5,503,150,509

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,499,069 : 5,503,150,509 = 5,503,150,509 : x
2. Step 2: Convert to fraction form
   2,540,499,069/5,503,150,509 = 5,503,150,509/x
3. Step 3: Cross multiply
   2,540,499,069x = 5,503,150,509 × 5,503,150,509
4. Step 4: Simplify right side
   2,540,499,069x = 30,284,665,524,706,959,360
5. Step 5: Solve for x
   x = 30,284,665,524,706,959,360/2,540,499,069
6. Step 6: Final answer
   x = 11,920,754,427.45