Finding the Third Proportional to 2,241,640 and 4,864,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241,640 : 4,864,320 = 4,864,320 : x
2. Step 2: Convert to fraction form
   2,241,640/4,864,320 = 4,864,320/x
3. Step 3: Cross multiply
   2,241,640x = 4,864,320 × 4,864,320
4. Step 4: Simplify right side
   2,241,640x = 23,661,609,062,400
5. Step 5: Solve for x
   x = 23,661,609,062,400/2,241,640
6. Step 6: Final answer
   x = 10,555,490.20