Finding the Third Proportional to 453,728 and 978,166

Step by Step Solution

1. Step 1: Write the proportion equation
   453,728 : 978,166 = 978,166 : x
2. Step 2: Convert to fraction form
   453,728/978,166 = 978,166/x
3. Step 3: Cross multiply
   453,728x = 978,166 × 978,166
4. Step 4: Simplify right side
   453,728x = 956,808,723,556
5. Step 5: Solve for x
   x = 956,808,723,556/453,728
6. Step 6: Final answer
   x = 2,108,771.61