Finding the Third Proportional to 2,563,226 and 5,457,742

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,226 : 5,457,742 = 5,457,742 : x
2. Step 2: Convert to fraction form
   2,563,226/5,457,742 = 5,457,742/x
3. Step 3: Cross multiply
   2,563,226x = 5,457,742 × 5,457,742
4. Step 4: Simplify right side
   2,563,226x = 29,786,947,738,564
5. Step 5: Solve for x
   x = 29,786,947,738,564/2,563,226
6. Step 6: Final answer
   x = 11,620,882.33