Finding the Third Proportional to 632,488 and 978,293

Step by Step Solution

1. Step 1: Write the proportion equation
   632,488 : 978,293 = 978,293 : x
2. Step 2: Convert to fraction form
   632,488/978,293 = 978,293/x
3. Step 3: Cross multiply
   632,488x = 978,293 × 978,293
4. Step 4: Simplify right side
   632,488x = 957,057,193,849
5. Step 5: Solve for x
   x = 957,057,193,849/632,488
6. Step 6: Final answer
   x = 1,513,162.61