Finding the Third Proportional to 713,432 and 978,294

Step by Step Solution

1. Step 1: Write the proportion equation
   713,432 : 978,294 = 978,294 : x
2. Step 2: Convert to fraction form
   713,432/978,294 = 978,294/x
3. Step 3: Cross multiply
   713,432x = 978,294 × 978,294
4. Step 4: Simplify right side
   713,432x = 957,059,150,436
5. Step 5: Solve for x
   x = 957,059,150,436/713,432
6. Step 6: Final answer
   x = 1,341,486.15