Finding the Third Proportional to 2,489,337 and 5,431,068

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,337 : 5,431,068 = 5,431,068 : x
2. Step 2: Convert to fraction form
   2,489,337/5,431,068 = 5,431,068/x
3. Step 3: Cross multiply
   2,489,337x = 5,431,068 × 5,431,068
4. Step 4: Simplify right side
   2,489,337x = 29,496,499,620,624
5. Step 5: Solve for x
   x = 29,496,499,620,624/2,489,337
6. Step 6: Final answer
   x = 11,849,138.80