Finding the Third Proportional to 501,980 and 978,736

Step by Step Solution

1. Step 1: Write the proportion equation
   501,980 : 978,736 = 978,736 : x
2. Step 2: Convert to fraction form
   501,980/978,736 = 978,736/x
3. Step 3: Cross multiply
   501,980x = 978,736 × 978,736
4. Step 4: Simplify right side
   501,980x = 957,924,157,696
5. Step 5: Solve for x
   x = 957,924,157,696/501,980
6. Step 6: Final answer
   x = 1,908,291.48