Finding the Third Proportional to 4,998,434,464 and 10,410,586,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,998,434,464 : 10,410,586,408.50 = 10,410,586,408.50 : x
2. Step 2: Convert to fraction form
   4,998,434,464/10,410,586,408.50 = 10,410,586,408.50/x
3. Step 3: Cross multiply
   4,998,434,464x = 10,410,586,408.50 × 10,410,586,408.50
4. Step 4: Simplify right side
   4,998,434,464x = 108,380,309,368,844,926,976
5. Step 5: Solve for x
   x = 108,380,309,368,844,926,976/4,998,434,464
6. Step 6: Final answer
   x = 21,682,850,930.51