Finding the Third Proportional to 681,696 and 1,067,040

Step by Step Solution

1. Step 1: Write the proportion equation
   681,696 : 1,067,040 = 1,067,040 : x
2. Step 2: Convert to fraction form
   681,696/1,067,040 = 1,067,040/x
3. Step 3: Cross multiply
   681,696x = 1,067,040 × 1,067,040
4. Step 4: Simplify right side
   681,696x = 1,138,574,361,600
5. Step 5: Solve for x
   x = 1,138,574,361,600/681,696
6. Step 6: Final answer
   x = 1,670,208.37