Finding the Third Proportional to 2,540,499,399 and 5,503,151,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,499,399 : 5,503,151,178 = 5,503,151,178 : x
2. Step 2: Convert to fraction form
   2,540,499,399/5,503,151,178 = 5,503,151,178/x
3. Step 3: Cross multiply
   2,540,499,399x = 5,503,151,178 × 5,503,151,178
4. Step 4: Simplify right side
   2,540,499,399x = 30,284,672,887,922,786,304
5. Step 5: Solve for x
   x = 30,284,672,887,922,786,304/2,540,499,399
6. Step 6: Final answer
   x = 11,920,755,777.33