Finding the Third Proportional to 664,709 and 1,449,718

Step by Step Solution

1. Step 1: Write the proportion equation
   664,709 : 1,449,718 = 1,449,718 : x
2. Step 2: Convert to fraction form
   664,709/1,449,718 = 1,449,718/x
3. Step 3: Cross multiply
   664,709x = 1,449,718 × 1,449,718
4. Step 4: Simplify right side
   664,709x = 2,101,682,279,524
5. Step 5: Solve for x
   x = 2,101,682,279,524/664,709
6. Step 6: Final answer
   x = 3,161,808.07