Finding the Third Proportional to 4,917,728 and 10,078,240

Step by Step Solution

1. Step 1: Write the proportion equation
   4,917,728 : 10,078,240 = 10,078,240 : x
2. Step 2: Convert to fraction form
   4,917,728/10,078,240 = 10,078,240/x
3. Step 3: Cross multiply
   4,917,728x = 10,078,240 × 10,078,240
4. Step 4: Simplify right side
   4,917,728x = 101,570,921,497,600
5. Step 5: Solve for x
   x = 101,570,921,497,600/4,917,728
6. Step 6: Final answer
   x = 20,654,034.04