Finding the Third Proportional to 2,351,863 and 4,986,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351,863 : 4,986,328 = 4,986,328 : x
2. Step 2: Convert to fraction form
   2,351,863/4,986,328 = 4,986,328/x
3. Step 3: Cross multiply
   2,351,863x = 4,986,328 × 4,986,328
4. Step 4: Simplify right side
   2,351,863x = 24,863,466,923,584
5. Step 5: Solve for x
   x = 24,863,466,923,584/2,351,863
6. Step 6: Final answer
   x = 10,571,817.71