Finding the Third Proportional to 4,828,728 and 7,243,668

Step by Step Solution

1. Step 1: Write the proportion equation
   4,828,728 : 7,243,668 = 7,243,668 : x
2. Step 2: Convert to fraction form
   4,828,728/7,243,668 = 7,243,668/x
3. Step 3: Cross multiply
   4,828,728x = 7,243,668 × 7,243,668
4. Step 4: Simplify right side
   4,828,728x = 52,470,726,094,224
5. Step 5: Solve for x
   x = 52,470,726,094,224/4,828,728
6. Step 6: Final answer
   x = 10,866,366.07