Finding the Third Proportional to 2,549,018 and 5,561,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,018 : 5,561,788 = 5,561,788 : x
2. Step 2: Convert to fraction form
   2,549,018/5,561,788 = 5,561,788/x
3. Step 3: Cross multiply
   2,549,018x = 5,561,788 × 5,561,788
4. Step 4: Simplify right side
   2,549,018x = 30,933,485,756,944
5. Step 5: Solve for x
   x = 30,933,485,756,944/2,549,018
6. Step 6: Final answer
   x = 12,135,452.07