Finding the Third Proportional to 458,648 and 694,892

Step by Step Solution

1. Step 1: Write the proportion equation
   458,648 : 694,892 = 694,892 : x
2. Step 2: Convert to fraction form
   458,648/694,892 = 694,892/x
3. Step 3: Cross multiply
   458,648x = 694,892 × 694,892
4. Step 4: Simplify right side
   458,648x = 482,874,891,664
5. Step 5: Solve for x
   x = 482,874,891,664/458,648
6. Step 6: Final answer
   x = 1,052,822.41