Finding the Third Proportional to 2,561,586 and 5,503,062

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,586 : 5,503,062 = 5,503,062 : x
2. Step 2: Convert to fraction form
   2,561,586/5,503,062 = 5,503,062/x
3. Step 3: Cross multiply
   2,561,586x = 5,503,062 × 5,503,062
4. Step 4: Simplify right side
   2,561,586x = 30,283,691,375,844
5. Step 5: Solve for x
   x = 30,283,691,375,844/2,561,586
6. Step 6: Final answer
   x = 11,822,242.69