Finding the Third Proportional to 5,338,558 and 8,273,234

Step by Step Solution

1. Step 1: Write the proportion equation
   5,338,558 : 8,273,234 = 8,273,234 : x
2. Step 2: Convert to fraction form
   5,338,558/8,273,234 = 8,273,234/x
3. Step 3: Cross multiply
   5,338,558x = 8,273,234 × 8,273,234
4. Step 4: Simplify right side
   5,338,558x = 68,446,400,818,756
5. Step 5: Solve for x
   x = 68,446,400,818,756/5,338,558
6. Step 6: Final answer
   x = 12,821,140.24