Finding the Third Proportional to 456,073 and 978,563

Step by Step Solution

1. Step 1: Write the proportion equation
   456,073 : 978,563 = 978,563 : x
2. Step 2: Convert to fraction form
   456,073/978,563 = 978,563/x
3. Step 3: Cross multiply
   456,073x = 978,563 × 978,563
4. Step 4: Simplify right side
   456,073x = 957,585,544,969
5. Step 5: Solve for x
   x = 957,585,544,969/456,073
6. Step 6: Final answer
   x = 2,099,632.18