Finding the Third Proportional to 455,023 and 978,735

Step by Step Solution

1. Step 1: Write the proportion equation
   455,023 : 978,735 = 978,735 : x
2. Step 2: Convert to fraction form
   455,023/978,735 = 978,735/x
3. Step 3: Cross multiply
   455,023x = 978,735 × 978,735
4. Step 4: Simplify right side
   455,023x = 957,922,200,225
5. Step 5: Solve for x
   x = 957,922,200,225/455,023
6. Step 6: Final answer
   x = 2,105,217.10