Finding the Third Proportional to 455,006 and 978,700

Step by Step Solution

1. Step 1: Write the proportion equation
   455,006 : 978,700 = 978,700 : x
2. Step 2: Convert to fraction form
   455,006/978,700 = 978,700/x
3. Step 3: Cross multiply
   455,006x = 978,700 × 978,700
4. Step 4: Simplify right side
   455,006x = 957,853,690,000
5. Step 5: Solve for x
   x = 957,853,690,000/455,006
6. Step 6: Final answer
   x = 2,105,145.18