Finding the Third Proportional to 654,933 and 978,355

Step by Step Solution

1. Step 1: Write the proportion equation
   654,933 : 978,355 = 978,355 : x
2. Step 2: Convert to fraction form
   654,933/978,355 = 978,355/x
3. Step 3: Cross multiply
   654,933x = 978,355 × 978,355
4. Step 4: Simplify right side
   654,933x = 957,178,506,025
5. Step 5: Solve for x
   x = 957,178,506,025/654,933
6. Step 6: Final answer
   x = 1,461,490.73