Finding the Third Proportional to 450,667 and 978,364

Step by Step Solution

1. Step 1: Write the proportion equation
   450,667 : 978,364 = 978,364 : x
2. Step 2: Convert to fraction form
   450,667/978,364 = 978,364/x
3. Step 3: Cross multiply
   450,667x = 978,364 × 978,364
4. Step 4: Simplify right side
   450,667x = 957,196,116,496
5. Step 5: Solve for x
   x = 957,196,116,496/450,667
6. Step 6: Final answer
   x = 2,123,954.31