Finding the Third Proportional to 4,410,728 and 9,356,785

Step by Step Solution

1. Step 1: Write the proportion equation
   4,410,728 : 9,356,785 = 9,356,785 : x
2. Step 2: Convert to fraction form
   4,410,728/9,356,785 = 9,356,785/x
3. Step 3: Cross multiply
   4,410,728x = 9,356,785 × 9,356,785
4. Step 4: Simplify right side
   4,410,728x = 87,549,425,536,225
5. Step 5: Solve for x
   x = 87,549,425,536,225/4,410,728
6. Step 6: Final answer
   x = 19,849,200.75