Finding the Third Proportional to 687,942 and 1,042,301

Step by Step Solution

1. Step 1: Write the proportion equation
   687,942 : 1,042,301 = 1,042,301 : x
2. Step 2: Convert to fraction form
   687,942/1,042,301 = 1,042,301/x
3. Step 3: Cross multiply
   687,942x = 1,042,301 × 1,042,301
4. Step 4: Simplify right side
   687,942x = 1,086,391,374,601
5. Step 5: Solve for x
   x = 1,086,391,374,601/687,942
6. Step 6: Final answer
   x = 1,579,190.36