Finding the Third Proportional to 501,970 and 978,722

Step by Step Solution

1. Step 1: Write the proportion equation
   501,970 : 978,722 = 978,722 : x
2. Step 2: Convert to fraction form
   501,970/978,722 = 978,722/x
3. Step 3: Cross multiply
   501,970x = 978,722 × 978,722
4. Step 4: Simplify right side
   501,970x = 957,896,753,284
5. Step 5: Solve for x
   x = 957,896,753,284/501,970
6. Step 6: Final answer
   x = 1,908,274.90