Finding the Third Proportional to 681,720 and 1,067,076

Step by Step Solution

1. Step 1: Write the proportion equation
   681,720 : 1,067,076 = 1,067,076 : x
2. Step 2: Convert to fraction form
   681,720/1,067,076 = 1,067,076/x
3. Step 3: Cross multiply
   681,720x = 1,067,076 × 1,067,076
4. Step 4: Simplify right side
   681,720x = 1,138,651,189,776
5. Step 5: Solve for x
   x = 1,138,651,189,776/681,720
6. Step 6: Final answer
   x = 1,670,262.26