Finding the Third Proportional to 2,248,868 and 3,478,395

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248,868 : 3,478,395 = 3,478,395 : x
2. Step 2: Convert to fraction form
   2,248,868/3,478,395 = 3,478,395/x
3. Step 3: Cross multiply
   2,248,868x = 3,478,395 × 3,478,395
4. Step 4: Simplify right side
   2,248,868x = 12,099,231,776,025
5. Step 5: Solve for x
   x = 12,099,231,776,025/2,248,868
6. Step 6: Final answer
   x = 5,380,143.15