Finding the Third Proportional to 469,459.13 and 978,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   469,459.13 : 978,628.50 = 978,628.50 : x
2. Step 2: Convert to fraction form
   469,459.13/978,628.50 = 978,628.50/x
3. Step 3: Cross multiply
   469,459.13x = 978,628.50 × 978,628.50
4. Step 4: Simplify right side
   469,459.13x = 957,713,741,012.25
5. Step 5: Solve for x
   x = 957,713,741,012.25/469,459.13
6. Step 6: Final answer
   x = 2,040,036.48