Finding the Third Proportional to 2,555,340 and 5,629,182

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,340 : 5,629,182 = 5,629,182 : x
2. Step 2: Convert to fraction form
   2,555,340/5,629,182 = 5,629,182/x
3. Step 3: Cross multiply
   2,555,340x = 5,629,182 × 5,629,182
4. Step 4: Simplify right side
   2,555,340x = 31,687,689,989,124
5. Step 5: Solve for x
   x = 31,687,689,989,124/2,555,340
6. Step 6: Final answer
   x = 12,400,576.83