Finding the Third Proportional to 435,554 and 659,892

Step by Step Solution

1. Step 1: Write the proportion equation
   435,554 : 659,892 = 659,892 : x
2. Step 2: Convert to fraction form
   435,554/659,892 = 659,892/x
3. Step 3: Cross multiply
   435,554x = 659,892 × 659,892
4. Step 4: Simplify right side
   435,554x = 435,457,451,664
5. Step 5: Solve for x
   x = 435,457,451,664/435,554
6. Step 6: Final answer
   x = 999,778.33