Finding the Third Proportional to 2,561,900 and 5,544,566

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,900 : 5,544,566 = 5,544,566 : x
2. Step 2: Convert to fraction form
   2,561,900/5,544,566 = 5,544,566/x
3. Step 3: Cross multiply
   2,561,900x = 5,544,566 × 5,544,566
4. Step 4: Simplify right side
   2,561,900x = 30,742,212,128,356
5. Step 5: Solve for x
   x = 30,742,212,128,356/2,561,900
6. Step 6: Final answer
   x = 11,999,770.53