Finding the Third Proportional to 3,977,459,498 and 5,530,340,919

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,459,498 : 5,530,340,919 = 5,530,340,919 : x
2. Step 2: Convert to fraction form
   3,977,459,498/5,530,340,919 = 5,530,340,919/x
3. Step 3: Cross multiply
   3,977,459,498x = 5,530,340,919 × 5,530,340,919
4. Step 4: Simplify right side
   3,977,459,498x = 30,584,670,680,365,764,608
5. Step 5: Solve for x
   x = 30,584,670,680,365,764,608/3,977,459,498
6. Step 6: Final answer
   x = 7,689,498,961.77