Finding the Third Proportional to 2,588,336 and 5,508,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,336 : 5,508,612 = 5,508,612 : x
2. Step 2: Convert to fraction form
   2,588,336/5,508,612 = 5,508,612/x
3. Step 3: Cross multiply
   2,588,336x = 5,508,612 × 5,508,612
4. Step 4: Simplify right side
   2,588,336x = 30,344,806,166,544
5. Step 5: Solve for x
   x = 30,344,806,166,544/2,588,336
6. Step 6: Final answer
   x = 11,723,673.50