Finding the Third Proportional to 672,256 and 1,040,800

Step by Step Solution

1. Step 1: Write the proportion equation
   672,256 : 1,040,800 = 1,040,800 : x
2. Step 2: Convert to fraction form
   672,256/1,040,800 = 1,040,800/x
3. Step 3: Cross multiply
   672,256x = 1,040,800 × 1,040,800
4. Step 4: Simplify right side
   672,256x = 1,083,264,640,000
5. Step 5: Solve for x
   x = 1,083,264,640,000/672,256
6. Step 6: Final answer
   x = 1,611,387.09