Finding the Third Proportional to 455,019 and 978,726

Step by Step Solution

1. Step 1: Write the proportion equation
   455,019 : 978,726 = 978,726 : x
2. Step 2: Convert to fraction form
   455,019/978,726 = 978,726/x
3. Step 3: Cross multiply
   455,019x = 978,726 × 978,726
4. Step 4: Simplify right side
   455,019x = 957,904,583,076
5. Step 5: Solve for x
   x = 957,904,583,076/455,019
6. Step 6: Final answer
   x = 2,105,196.89