Finding the Third Proportional to 4,269,419 and 9,149,010

Step by Step Solution

1. Step 1: Write the proportion equation
   4,269,419 : 9,149,010 = 9,149,010 : x
2. Step 2: Convert to fraction form
   4,269,419/9,149,010 = 9,149,010/x
3. Step 3: Cross multiply
   4,269,419x = 9,149,010 × 9,149,010
4. Step 4: Simplify right side
   4,269,419x = 83,704,383,980,100
5. Step 5: Solve for x
   x = 83,704,383,980,100/4,269,419
6. Step 6: Final answer
   x = 19,605,567.87