Finding the Third Proportional to 455,010.75 and 978,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,010.75 : 978,709.50 = 978,709.50 : x
2. Step 2: Convert to fraction form
   455,010.75/978,709.50 = 978,709.50/x
3. Step 3: Cross multiply
   455,010.75x = 978,709.50 × 978,709.50
4. Step 4: Simplify right side
   455,010.75x = 957,872,285,390.25
5. Step 5: Solve for x
   x = 957,872,285,390.25/455,010.75
6. Step 6: Final answer
   x = 2,105,164.08