Finding the Third Proportional to 2,687,403 and 5,847,177

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,403 : 5,847,177 = 5,847,177 : x
2. Step 2: Convert to fraction form
   2,687,403/5,847,177 = 5,847,177/x
3. Step 3: Cross multiply
   2,687,403x = 5,847,177 × 5,847,177
4. Step 4: Simplify right side
   2,687,403x = 34,189,478,869,329
5. Step 5: Solve for x
   x = 34,189,478,869,329/2,687,403
6. Step 6: Final answer
   x = 12,722,125.74