Finding the Third Proportional to 455,872 and 978,204

Step by Step Solution

1. Step 1: Write the proportion equation
   455,872 : 978,204 = 978,204 : x
2. Step 2: Convert to fraction form
   455,872/978,204 = 978,204/x
3. Step 3: Cross multiply
   455,872x = 978,204 × 978,204
4. Step 4: Simplify right side
   455,872x = 956,883,065,616
5. Step 5: Solve for x
   x = 956,883,065,616/455,872
6. Step 6: Final answer
   x = 2,099,016.97