Finding the Third Proportional to 2,540,499,357.25 and 5,503,151,087.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,499,357.25 : 5,503,151,087.19 = 5,503,151,087.19 : x
2. Step 2: Convert to fraction form
   2,540,499,357.25/5,503,151,087.19 = 5,503,151,087.19/x
3. Step 3: Cross multiply
   2,540,499,357.25x = 5,503,151,087.19 × 5,503,151,087.19
4. Step 4: Simplify right side
   2,540,499,357.25x = 30,284,671,888,456,986,624
5. Step 5: Solve for x
   x = 30,284,671,888,456,986,624/2,540,499,357.25
6. Step 6: Final answer
   x = 11,920,755,579.81