Finding the Third Proportional to 4,225,518 and 9,108,108

Step by Step Solution

1. Step 1: Write the proportion equation
   4,225,518 : 9,108,108 = 9,108,108 : x
2. Step 2: Convert to fraction form
   4,225,518/9,108,108 = 9,108,108/x
3. Step 3: Cross multiply
   4,225,518x = 9,108,108 × 9,108,108
4. Step 4: Simplify right side
   4,225,518x = 82,957,631,339,664
5. Step 5: Solve for x
   x = 82,957,631,339,664/4,225,518
6. Step 6: Final answer
   x = 19,632,535.31