Finding the Third Proportional to 2,586,830 and 5,339,724

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,830 : 5,339,724 = 5,339,724 : x
2. Step 2: Convert to fraction form
   2,586,830/5,339,724 = 5,339,724/x
3. Step 3: Cross multiply
   2,586,830x = 5,339,724 × 5,339,724
4. Step 4: Simplify right side
   2,586,830x = 28,512,652,396,176
5. Step 5: Solve for x
   x = 28,512,652,396,176/2,586,830
6. Step 6: Final answer
   x = 11,022,236.64