Finding the Third Proportional to 656,034 and 978,988

Step by Step Solution

1. Step 1: Write the proportion equation
   656,034 : 978,988 = 978,988 : x
2. Step 2: Convert to fraction form
   656,034/978,988 = 978,988/x
3. Step 3: Cross multiply
   656,034x = 978,988 × 978,988
4. Step 4: Simplify right side
   656,034x = 958,417,504,144
5. Step 5: Solve for x
   x = 958,417,504,144/656,034
6. Step 6: Final answer
   x = 1,460,926.57