Finding the Third Proportional to 458,021 and 978,937

Step by Step Solution

1. Step 1: Write the proportion equation
   458,021 : 978,937 = 978,937 : x
2. Step 2: Convert to fraction form
   458,021/978,937 = 978,937/x
3. Step 3: Cross multiply
   458,021x = 978,937 × 978,937
4. Step 4: Simplify right side
   458,021x = 958,317,649,969
5. Step 5: Solve for x
   x = 958,317,649,969/458,021
6. Step 6: Final answer
   x = 2,092,300.68