Finding the Third Proportional to 2,551,271 and 5,550,939

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,271 : 5,550,939 = 5,550,939 : x
2. Step 2: Convert to fraction form
   2,551,271/5,550,939 = 5,550,939/x
3. Step 3: Cross multiply
   2,551,271x = 5,550,939 × 5,550,939
4. Step 4: Simplify right side
   2,551,271x = 30,812,923,781,721
5. Step 5: Solve for x
   x = 30,812,923,781,721/2,551,271
6. Step 6: Final answer
   x = 12,077,479.73