Finding the Third Proportional to 713,612 and 978,547

Step by Step Solution

1. Step 1: Write the proportion equation
   713,612 : 978,547 = 978,547 : x
2. Step 2: Convert to fraction form
   713,612/978,547 = 978,547/x
3. Step 3: Cross multiply
   713,612x = 978,547 × 978,547
4. Step 4: Simplify right side
   713,612x = 957,554,231,209
5. Step 5: Solve for x
   x = 957,554,231,209/713,612
6. Step 6: Final answer
   x = 1,341,841.55