Finding the Third Proportional to 656,057 and 980,670

Step by Step Solution

1. Step 1: Write the proportion equation
   656,057 : 980,670 = 980,670 : x
2. Step 2: Convert to fraction form
   656,057/980,670 = 980,670/x
3. Step 3: Cross multiply
   656,057x = 980,670 × 980,670
4. Step 4: Simplify right side
   656,057x = 961,713,648,900
5. Step 5: Solve for x
   x = 961,713,648,900/656,057
6. Step 6: Final answer
   x = 1,465,899.53