Finding the Third Proportional to 2,540,499,387 and 5,503,151,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,499,387 : 5,503,151,143.50 = 5,503,151,143.50 : x
2. Step 2: Convert to fraction form
   2,540,499,387/5,503,151,143.50 = 5,503,151,143.50/x
3. Step 3: Cross multiply
   2,540,499,387x = 5,503,151,143.50 × 5,503,151,143.50
4. Step 4: Simplify right side
   2,540,499,387x = 30,284,672,508,205,359,104
5. Step 5: Solve for x
   x = 30,284,672,508,205,359,104/2,540,499,387
6. Step 6: Final answer
   x = 11,920,755,684.17