Finding the Third Proportional to 450,650 and 978,330

Step by Step Solution

1. Step 1: Write the proportion equation
   450,650 : 978,330 = 978,330 : x
2. Step 2: Convert to fraction form
   450,650/978,330 = 978,330/x
3. Step 3: Cross multiply
   450,650x = 978,330 × 978,330
4. Step 4: Simplify right side
   450,650x = 957,129,588,900
5. Step 5: Solve for x
   x = 957,129,588,900/450,650
6. Step 6: Final answer
   x = 2,123,886.81