Finding the Third Proportional to 2,255,490 and 4,863,078

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255,490 : 4,863,078 = 4,863,078 : x
2. Step 2: Convert to fraction form
   2,255,490/4,863,078 = 4,863,078/x
3. Step 3: Cross multiply
   2,255,490x = 4,863,078 × 4,863,078
4. Step 4: Simplify right side
   2,255,490x = 23,649,527,634,084
5. Step 5: Solve for x
   x = 23,649,527,634,084/2,255,490
6. Step 6: Final answer
   x = 10,485,317.00