Finding the Third Proportional to 665,265 and 1,042,404

Step by Step Solution

1. Step 1: Write the proportion equation
   665,265 : 1,042,404 = 1,042,404 : x
2. Step 2: Convert to fraction form
   665,265/1,042,404 = 1,042,404/x
3. Step 3: Cross multiply
   665,265x = 1,042,404 × 1,042,404
4. Step 4: Simplify right side
   665,265x = 1,086,606,099,216
5. Step 5: Solve for x
   x = 1,086,606,099,216/665,265
6. Step 6: Final answer
   x = 1,633,343.25