Finding the Third Proportional to 443,913 and 978,314

Step by Step Solution

1. Step 1: Write the proportion equation
   443,913 : 978,314 = 978,314 : x
2. Step 2: Convert to fraction form
   443,913/978,314 = 978,314/x
3. Step 3: Cross multiply
   443,913x = 978,314 × 978,314
4. Step 4: Simplify right side
   443,913x = 957,098,282,596
5. Step 5: Solve for x
   x = 957,098,282,596/443,913
6. Step 6: Final answer
   x = 2,156,049.23