Finding the Third Proportional to 483,086 and 656,012

Step by Step Solution

1. Step 1: Write the proportion equation
   483,086 : 656,012 = 656,012 : x
2. Step 2: Convert to fraction form
   483,086/656,012 = 656,012/x
3. Step 3: Cross multiply
   483,086x = 656,012 × 656,012
4. Step 4: Simplify right side
   483,086x = 430,351,744,144
5. Step 5: Solve for x
   x = 430,351,744,144/483,086
6. Step 6: Final answer
   x = 890,838.78