Finding the Third Proportional to 3,604,728 and 5,579,640

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604,728 : 5,579,640 = 5,579,640 : x
2. Step 2: Convert to fraction form
   3,604,728/5,579,640 = 5,579,640/x
3. Step 3: Cross multiply
   3,604,728x = 5,579,640 × 5,579,640
4. Step 4: Simplify right side
   3,604,728x = 31,132,382,529,600
5. Step 5: Solve for x
   x = 31,132,382,529,600/3,604,728
6. Step 6: Final answer
   x = 8,636,541.38