Finding the Third Proportional to 450,432 and 978,744

Step by Step Solution

1. Step 1: Write the proportion equation
   450,432 : 978,744 = 978,744 : x
2. Step 2: Convert to fraction form
   450,432/978,744 = 978,744/x
3. Step 3: Cross multiply
   450,432x = 978,744 × 978,744
4. Step 4: Simplify right side
   450,432x = 957,939,817,536
5. Step 5: Solve for x
   x = 957,939,817,536/450,432
6. Step 6: Final answer
   x = 2,126,713.51