Finding the Third Proportional to 2,672,880 and 3,861,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672,880 : 3,861,864 = 3,861,864 : x
2. Step 2: Convert to fraction form
   2,672,880/3,861,864 = 3,861,864/x
3. Step 3: Cross multiply
   2,672,880x = 3,861,864 × 3,861,864
4. Step 4: Simplify right side
   2,672,880x = 14,913,993,554,496
5. Step 5: Solve for x
   x = 14,913,993,554,496/2,672,880
6. Step 6: Final answer
   x = 5,579,746.77