Finding the Third Proportional to 713,590 and 978,514

Step by Step Solution

1. Step 1: Write the proportion equation
   713,590 : 978,514 = 978,514 : x
2. Step 2: Convert to fraction form
   713,590/978,514 = 978,514/x
3. Step 3: Cross multiply
   713,590x = 978,514 × 978,514
4. Step 4: Simplify right side
   713,590x = 957,489,648,196
5. Step 5: Solve for x
   x = 957,489,648,196/713,590
6. Step 6: Final answer
   x = 1,341,792.41