Finding the Third Proportional to 681,738 and 1,067,103

Step by Step Solution

1. Step 1: Write the proportion equation
   681,738 : 1,067,103 = 1,067,103 : x
2. Step 2: Convert to fraction form
   681,738/1,067,103 = 1,067,103/x
3. Step 3: Cross multiply
   681,738x = 1,067,103 × 1,067,103
4. Step 4: Simplify right side
   681,738x = 1,138,708,812,609
5. Step 5: Solve for x
   x = 1,138,708,812,609/681,738
6. Step 6: Final answer
   x = 1,670,302.69