Finding the Third Proportional to 713,502 and 978,397

Step by Step Solution

1. Step 1: Write the proportion equation
   713,502 : 978,397 = 978,397 : x
2. Step 2: Convert to fraction form
   713,502/978,397 = 978,397/x
3. Step 3: Cross multiply
   713,502x = 978,397 × 978,397
4. Step 4: Simplify right side
   713,502x = 957,260,689,609
5. Step 5: Solve for x
   x = 957,260,689,609/713,502
6. Step 6: Final answer
   x = 1,341,637.01