Finding the Third Proportional to 4,545,252 and 9,945,612

Step by Step Solution

1. Step 1: Write the proportion equation
   4,545,252 : 9,945,612 = 9,945,612 : x
2. Step 2: Convert to fraction form
   4,545,252/9,945,612 = 9,945,612/x
3. Step 3: Cross multiply
   4,545,252x = 9,945,612 × 9,945,612
4. Step 4: Simplify right side
   4,545,252x = 98,915,198,054,544
5. Step 5: Solve for x
   x = 98,915,198,054,544/4,545,252
6. Step 6: Final answer
   x = 21,762,313.30