Finding the Third Proportional to 2,257,976 and 4,870,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,976 : 4,870,480 = 4,870,480 : x
2. Step 2: Convert to fraction form
   2,257,976/4,870,480 = 4,870,480/x
3. Step 3: Cross multiply
   2,257,976x = 4,870,480 × 4,870,480
4. Step 4: Simplify right side
   2,257,976x = 23,721,575,430,400
5. Step 5: Solve for x
   x = 23,721,575,430,400/2,257,976
6. Step 6: Final answer
   x = 10,505,680.94