Finding the Third Proportional to 443,933 and 978,353

Step by Step Solution

1. Step 1: Write the proportion equation
   443,933 : 978,353 = 978,353 : x
2. Step 2: Convert to fraction form
   443,933/978,353 = 978,353/x
3. Step 3: Cross multiply
   443,933x = 978,353 × 978,353
4. Step 4: Simplify right side
   443,933x = 957,174,592,609
5. Step 5: Solve for x
   x = 957,174,592,609/443,933
6. Step 6: Final answer
   x = 2,156,123.99