Finding the Third Proportional to 2,558,086 and 5,503,271

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,086 : 5,503,271 = 5,503,271 : x
2. Step 2: Convert to fraction form
   2,558,086/5,503,271 = 5,503,271/x
3. Step 3: Cross multiply
   2,558,086x = 5,503,271 × 5,503,271
4. Step 4: Simplify right side
   2,558,086x = 30,285,991,699,441
5. Step 5: Solve for x
   x = 30,285,991,699,441/2,558,086
6. Step 6: Final answer
   x = 11,839,317.25