Finding the Third Proportional to 1,507,999 and 2,109,455

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,999 : 2,109,455 = 2,109,455 : x
2. Step 2: Convert to fraction form
   1,507,999/2,109,455 = 2,109,455/x
3. Step 3: Cross multiply
   1,507,999x = 2,109,455 × 2,109,455
4. Step 4: Simplify right side
   1,507,999x = 4,449,800,397,025
5. Step 5: Solve for x
   x = 4,449,800,397,025/1,507,999
6. Step 6: Final answer
   x = 2,950,797.98