Finding the Third Proportional to 713,654 and 978,582

Step by Step Solution

1. Step 1: Write the proportion equation
   713,654 : 978,582 = 978,582 : x
2. Step 2: Convert to fraction form
   713,654/978,582 = 978,582/x
3. Step 3: Cross multiply
   713,654x = 978,582 × 978,582
4. Step 4: Simplify right side
   713,654x = 957,622,730,724
5. Step 5: Solve for x
   x = 957,622,730,724/713,654
6. Step 6: Final answer
   x = 1,341,858.56