Finding the Third Proportional to 713,632 and 978,549

Step by Step Solution

1. Step 1: Write the proportion equation
   713,632 : 978,549 = 978,549 : x
2. Step 2: Convert to fraction form
   713,632/978,549 = 978,549/x
3. Step 3: Cross multiply
   713,632x = 978,549 × 978,549
4. Step 4: Simplify right side
   713,632x = 957,558,145,401
5. Step 5: Solve for x
   x = 957,558,145,401/713,632
6. Step 6: Final answer
   x = 1,341,809.43