Finding the Third Proportional to 665,661 and 1,455,738

Step by Step Solution

1. Step 1: Write the proportion equation
   665,661 : 1,455,738 = 1,455,738 : x
2. Step 2: Convert to fraction form
   665,661/1,455,738 = 1,455,738/x
3. Step 3: Cross multiply
   665,661x = 1,455,738 × 1,455,738
4. Step 4: Simplify right side
   665,661x = 2,119,173,124,644
5. Step 5: Solve for x
   x = 2,119,173,124,644/665,661
6. Step 6: Final answer
   x = 3,183,562.09