Finding the Third Proportional to 2,540,758,036 and 5,503,611,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,758,036 : 5,503,611,536 = 5,503,611,536 : x
2. Step 2: Convert to fraction form
   2,540,758,036/5,503,611,536 = 5,503,611,536/x
3. Step 3: Cross multiply
   2,540,758,036x = 5,503,611,536 × 5,503,611,536
4. Step 4: Simplify right side
   2,540,758,036x = 30,289,739,939,192,279,040
5. Step 5: Solve for x
   x = 30,289,739,939,192,279,040/2,540,758,036
6. Step 6: Final answer
   x = 11,921,536,608.37