Finding the Third Proportional to 622,941 and 978,681

Step by Step Solution

1. Step 1: Write the proportion equation
   622,941 : 978,681 = 978,681 : x
2. Step 2: Convert to fraction form
   622,941/978,681 = 978,681/x
3. Step 3: Cross multiply
   622,941x = 978,681 × 978,681
4. Step 4: Simplify right side
   622,941x = 957,816,499,761
5. Step 5: Solve for x
   x = 957,816,499,761/622,941
6. Step 6: Final answer
   x = 1,537,571.78