Finding the Third Proportional to 454,470 and 978,708

Step by Step Solution

1. Step 1: Write the proportion equation
   454,470 : 978,708 = 978,708 : x
2. Step 2: Convert to fraction form
   454,470/978,708 = 978,708/x
3. Step 3: Cross multiply
   454,470x = 978,708 × 978,708
4. Step 4: Simplify right side
   454,470x = 957,869,349,264
5. Step 5: Solve for x
   x = 957,869,349,264/454,470
6. Step 6: Final answer
   x = 2,107,662.44