Finding the Third Proportional to 2,131,860 and 3,280,131

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,860 : 3,280,131 = 3,280,131 : x
2. Step 2: Convert to fraction form
   2,131,860/3,280,131 = 3,280,131/x
3. Step 3: Cross multiply
   2,131,860x = 3,280,131 × 3,280,131
4. Step 4: Simplify right side
   2,131,860x = 10,759,259,377,161
5. Step 5: Solve for x
   x = 10,759,259,377,161/2,131,860
6. Step 6: Final answer
   x = 5,046,888.34