Finding the Third Proportional to 2,590,180 and 3,921,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,180 : 3,921,396 = 3,921,396 : x
2. Step 2: Convert to fraction form
   2,590,180/3,921,396 = 3,921,396/x
3. Step 3: Cross multiply
   2,590,180x = 3,921,396 × 3,921,396
4. Step 4: Simplify right side
   2,590,180x = 15,377,346,588,816
5. Step 5: Solve for x
   x = 15,377,346,588,816/2,590,180
6. Step 6: Final answer
   x = 5,936,786.86