Finding the Third Proportional to 455,025 and 978,739

Step by Step Solution

1. Step 1: Write the proportion equation
   455,025 : 978,739 = 978,739 : x
2. Step 2: Convert to fraction form
   455,025/978,739 = 978,739/x
3. Step 3: Cross multiply
   455,025x = 978,739 × 978,739
4. Step 4: Simplify right side
   455,025x = 957,930,030,121
5. Step 5: Solve for x
   x = 957,930,030,121/455,025
6. Step 6: Final answer
   x = 2,105,225.05