Finding the Third Proportional to 2,674,990 and 5,786,286

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674,990 : 5,786,286 = 5,786,286 : x
2. Step 2: Convert to fraction form
   2,674,990/5,786,286 = 5,786,286/x
3. Step 3: Cross multiply
   2,674,990x = 5,786,286 × 5,786,286
4. Step 4: Simplify right side
   2,674,990x = 33,481,105,673,796
5. Step 5: Solve for x
   x = 33,481,105,673,796/2,674,990
6. Step 6: Final answer
   x = 12,516,347.98