Finding the Third Proportional to 3,977,494,606 and 5,530,388,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,494,606 : 5,530,388,322.50 = 5,530,388,322.50 : x
2. Step 2: Convert to fraction form
   3,977,494,606/5,530,388,322.50 = 5,530,388,322.50/x
3. Step 3: Cross multiply
   3,977,494,606x = 5,530,388,322.50 × 5,530,388,322.50
4. Step 4: Simplify right side
   3,977,494,606x = 30,585,194,997,644,365,824
5. Step 5: Solve for x
   x = 30,585,194,997,644,365,824/3,977,494,606
6. Step 6: Final answer
   x = 7,689,562,910.16