Finding the Third Proportional to 451,884 and 978,162

Step by Step Solution

1. Step 1: Write the proportion equation
   451,884 : 978,162 = 978,162 : x
2. Step 2: Convert to fraction form
   451,884/978,162 = 978,162/x
3. Step 3: Cross multiply
   451,884x = 978,162 × 978,162
4. Step 4: Simplify right side
   451,884x = 956,800,898,244
5. Step 5: Solve for x
   x = 956,800,898,244/451,884
6. Step 6: Final answer
   x = 2,117,359.54