Finding the Third Proportional to 3,116,120 and 4,661,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116,120 : 4,661,728 = 4,661,728 : x
2. Step 2: Convert to fraction form
   3,116,120/4,661,728 = 4,661,728/x
3. Step 3: Cross multiply
   3,116,120x = 4,661,728 × 4,661,728
4. Step 4: Simplify right side
   3,116,120x = 21,731,707,945,984
5. Step 5: Solve for x
   x = 21,731,707,945,984/3,116,120
6. Step 6: Final answer
   x = 6,973,963.76