Finding the Third Proportional to 455,013 and 978,715

Step by Step Solution

1. Step 1: Write the proportion equation
   455,013 : 978,715 = 978,715 : x
2. Step 2: Convert to fraction form
   455,013/978,715 = 978,715/x
3. Step 3: Cross multiply
   455,013x = 978,715 × 978,715
4. Step 4: Simplify right side
   455,013x = 957,883,051,225
5. Step 5: Solve for x
   x = 957,883,051,225/455,013
6. Step 6: Final answer
   x = 2,105,177.33