Finding the Third Proportional to 458,006 and 978,907

Step by Step Solution

1. Step 1: Write the proportion equation
   458,006 : 978,907 = 978,907 : x
2. Step 2: Convert to fraction form
   458,006/978,907 = 978,907/x
3. Step 3: Cross multiply
   458,006x = 978,907 × 978,907
4. Step 4: Simplify right side
   458,006x = 958,258,914,649
5. Step 5: Solve for x
   x = 958,258,914,649/458,006
6. Step 6: Final answer
   x = 2,092,240.96