Finding the Third Proportional to 677,892 and 929,538

Step by Step Solution

1. Step 1: Write the proportion equation
   677,892 : 929,538 = 929,538 : x
2. Step 2: Convert to fraction form
   677,892/929,538 = 929,538/x
3. Step 3: Cross multiply
   677,892x = 929,538 × 929,538
4. Step 4: Simplify right side
   677,892x = 864,040,893,444
5. Step 5: Solve for x
   x = 864,040,893,444/677,892
6. Step 6: Final answer
   x = 1,274,599.63