Finding the Third Proportional to 501,982 and 978,740

Step by Step Solution

1. Step 1: Write the proportion equation
   501,982 : 978,740 = 978,740 : x
2. Step 2: Convert to fraction form
   501,982/978,740 = 978,740/x
3. Step 3: Cross multiply
   501,982x = 978,740 × 978,740
4. Step 4: Simplify right side
   501,982x = 957,931,987,600
5. Step 5: Solve for x
   x = 957,931,987,600/501,982
6. Step 6: Final answer
   x = 1,908,299.48