Finding the Third Proportional to 501,974 and 978,730

Step by Step Solution

1. Step 1: Write the proportion equation
   501,974 : 978,730 = 978,730 : x
2. Step 2: Convert to fraction form
   501,974/978,730 = 978,730/x
3. Step 3: Cross multiply
   501,974x = 978,730 × 978,730
4. Step 4: Simplify right side
   501,974x = 957,912,412,900
5. Step 5: Solve for x
   x = 957,912,412,900/501,974
6. Step 6: Final answer
   x = 1,908,290.89