Finding the Third Proportional to 462,716 and 699,910

Step by Step Solution

1. Step 1: Write the proportion equation
   462,716 : 699,910 = 699,910 : x
2. Step 2: Convert to fraction form
   462,716/699,910 = 699,910/x
3. Step 3: Cross multiply
   462,716x = 699,910 × 699,910
4. Step 4: Simplify right side
   462,716x = 489,874,008,100
5. Step 5: Solve for x
   x = 489,874,008,100/462,716
6. Step 6: Final answer
   x = 1,058,692.61