Finding the Third Proportional to 2,145,324 and 3,180,879

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,324 : 3,180,879 = 3,180,879 : x
2. Step 2: Convert to fraction form
   2,145,324/3,180,879 = 3,180,879/x
3. Step 3: Cross multiply
   2,145,324x = 3,180,879 × 3,180,879
4. Step 4: Simplify right side
   2,145,324x = 10,117,991,212,641
5. Step 5: Solve for x
   x = 10,117,991,212,641/2,145,324
6. Step 6: Final answer
   x = 4,716,299.83