Finding the Third Proportional to 2,586,494 and 5,246,739

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,494 : 5,246,739 = 5,246,739 : x
2. Step 2: Convert to fraction form
   2,586,494/5,246,739 = 5,246,739/x
3. Step 3: Cross multiply
   2,586,494x = 5,246,739 × 5,246,739
4. Step 4: Simplify right side
   2,586,494x = 27,528,270,134,121
5. Step 5: Solve for x
   x = 27,528,270,134,121/2,586,494
6. Step 6: Final answer
   x = 10,643,082.93