Finding the Third Proportional to 2,245,878 and 4,870,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,878 : 4,870,120 = 4,870,120 : x
2. Step 2: Convert to fraction form
   2,245,878/4,870,120 = 4,870,120/x
3. Step 3: Cross multiply
   2,245,878x = 4,870,120 × 4,870,120
4. Step 4: Simplify right side
   2,245,878x = 23,718,068,814,400
5. Step 5: Solve for x
   x = 23,718,068,814,400/2,245,878
6. Step 6: Final answer
   x = 10,560,711.14