Finding the Third Proportional to 713,582 and 978,502

Step by Step Solution

1. Step 1: Write the proportion equation
   713,582 : 978,502 = 978,502 : x
2. Step 2: Convert to fraction form
   713,582/978,502 = 978,502/x
3. Step 3: Cross multiply
   713,582x = 978,502 × 978,502
4. Step 4: Simplify right side
   713,582x = 957,466,164,004
5. Step 5: Solve for x
   x = 957,466,164,004/713,582
6. Step 6: Final answer
   x = 1,341,774.55