Finding the Third Proportional to 501,997.50 and 978,768

Step by Step Solution

1. Step 1: Write the proportion equation
   501,997.50 : 978,768 = 978,768 : x
2. Step 2: Convert to fraction form
   501,997.50/978,768 = 978,768/x
3. Step 3: Cross multiply
   501,997.50x = 978,768 × 978,768
4. Step 4: Simplify right side
   501,997.50x = 957,986,797,824
5. Step 5: Solve for x
   x = 957,986,797,824/501,997.50
6. Step 6: Final answer
   x = 1,908,349.74