Finding the Third Proportional to 2,248,870 and 3,478,398

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248,870 : 3,478,398 = 3,478,398 : x
2. Step 2: Convert to fraction form
   2,248,870/3,478,398 = 3,478,398/x
3. Step 3: Cross multiply
   2,248,870x = 3,478,398 × 3,478,398
4. Step 4: Simplify right side
   2,248,870x = 12,099,252,646,404
5. Step 5: Solve for x
   x = 12,099,252,646,404/2,248,870
6. Step 6: Final answer
   x = 5,380,147.65