Finding the Third Proportional to 713,460 and 978,334

Step by Step Solution

1. Step 1: Write the proportion equation
   713,460 : 978,334 = 978,334 : x
2. Step 2: Convert to fraction form
   713,460/978,334 = 978,334/x
3. Step 3: Cross multiply
   713,460x = 978,334 × 978,334
4. Step 4: Simplify right side
   713,460x = 957,137,415,556
5. Step 5: Solve for x
   x = 957,137,415,556/713,460
6. Step 6: Final answer
   x = 1,341,543.21