Finding the Third Proportional to 443,903 and 978,295

Step by Step Solution

1. Step 1: Write the proportion equation
   443,903 : 978,295 = 978,295 : x
2. Step 2: Convert to fraction form
   443,903/978,295 = 978,295/x
3. Step 3: Cross multiply
   443,903x = 978,295 × 978,295
4. Step 4: Simplify right side
   443,903x = 957,061,107,025
5. Step 5: Solve for x
   x = 957,061,107,025/443,903
6. Step 6: Final answer
   x = 2,156,014.05