Finding the Third Proportional to 2,540,758,378 and 5,503,614,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,758,378 : 5,503,614,164 = 5,503,614,164 : x
2. Step 2: Convert to fraction form
   2,540,758,378/5,503,614,164 = 5,503,614,164/x
3. Step 3: Cross multiply
   2,540,758,378x = 5,503,614,164 × 5,503,614,164
4. Step 4: Simplify right side
   2,540,758,378x = 30,289,768,866,181,419,008
5. Step 5: Solve for x
   x = 30,289,768,866,181,419,008/2,540,758,378
6. Step 6: Final answer
   x = 11,921,546,388.85