Finding the Third Proportional to 2,560,359 and 5,500,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560,359 : 5,500,392 = 5,500,392 : x
2. Step 2: Convert to fraction form
   2,560,359/5,500,392 = 5,500,392/x
3. Step 3: Cross multiply
   2,560,359x = 5,500,392 × 5,500,392
4. Step 4: Simplify right side
   2,560,359x = 30,254,312,153,664
5. Step 5: Solve for x
   x = 30,254,312,153,664/2,560,359
6. Step 6: Final answer
   x = 11,816,433.61