Finding the Third Proportional to 2,649,171 and 5,721,799

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649,171 : 5,721,799 = 5,721,799 : x
2. Step 2: Convert to fraction form
   2,649,171/5,721,799 = 5,721,799/x
3. Step 3: Cross multiply
   2,649,171x = 5,721,799 × 5,721,799
4. Step 4: Simplify right side
   2,649,171x = 32,738,983,796,401
5. Step 5: Solve for x
   x = 32,738,983,796,401/2,649,171
6. Step 6: Final answer
   x = 12,358,199.53