Finding the Third Proportional to 2,665,508 and 3,898,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,508 : 3,898,288 = 3,898,288 : x
2. Step 2: Convert to fraction form
   2,665,508/3,898,288 = 3,898,288/x
3. Step 3: Cross multiply
   2,665,508x = 3,898,288 × 3,898,288
4. Step 4: Simplify right side
   2,665,508x = 15,196,649,330,944
5. Step 5: Solve for x
   x = 15,196,649,330,944/2,665,508
6. Step 6: Final answer
   x = 5,701,220.68