Finding the Third Proportional to 687,897 and 1,042,233

Step by Step Solution

1. Step 1: Write the proportion equation
   687,897 : 1,042,233 = 1,042,233 : x
2. Step 2: Convert to fraction form
   687,897/1,042,233 = 1,042,233/x
3. Step 3: Cross multiply
   687,897x = 1,042,233 × 1,042,233
4. Step 4: Simplify right side
   687,897x = 1,086,249,626,289
5. Step 5: Solve for x
   x = 1,086,249,626,289/687,897
6. Step 6: Final answer
   x = 1,579,087.61