Finding the Third Proportional to 681,897 and 1,435,686

Step by Step Solution

1. Step 1: Write the proportion equation
   681,897 : 1,435,686 = 1,435,686 : x
2. Step 2: Convert to fraction form
   681,897/1,435,686 = 1,435,686/x
3. Step 3: Cross multiply
   681,897x = 1,435,686 × 1,435,686
4. Step 4: Simplify right side
   681,897x = 2,061,194,290,596
5. Step 5: Solve for x
   x = 2,061,194,290,596/681,897
6. Step 6: Final answer
   x = 3,022,735.53