Finding the Third Proportional to 666,285 and 1,465,401

Step by Step Solution

1. Step 1: Write the proportion equation
   666,285 : 1,465,401 = 1,465,401 : x
2. Step 2: Convert to fraction form
   666,285/1,465,401 = 1,465,401/x
3. Step 3: Cross multiply
   666,285x = 1,465,401 × 1,465,401
4. Step 4: Simplify right side
   666,285x = 2,147,400,090,801
5. Step 5: Solve for x
   x = 2,147,400,090,801/666,285
6. Step 6: Final answer
   x = 3,222,945.27