Finding the Third Proportional to 656,020.69 and 978,967.69

Step by Step Solution

1. Step 1: Write the proportion equation
   656,020.69 : 978,967.69 = 978,967.69 : x
2. Step 2: Convert to fraction form
   656,020.69/978,967.69 = 978,967.69/x
3. Step 3: Cross multiply
   656,020.69x = 978,967.69 × 978,967.69
4. Step 4: Simplify right side
   656,020.69x = 958,377,733,169.10
5. Step 5: Solve for x
   x = 958,377,733,169.10/656,020.69
6. Step 6: Final answer
   x = 1,460,895.60