Finding the Third Proportional to 444,829.50 and 978,205.50

Step by Step Solution

1. Step 1: Write the proportion equation
   444,829.50 : 978,205.50 = 978,205.50 : x
2. Step 2: Convert to fraction form
   444,829.50/978,205.50 = 978,205.50/x
3. Step 3: Cross multiply
   444,829.50x = 978,205.50 × 978,205.50
4. Step 4: Simplify right side
   444,829.50x = 956,886,000,230.25
5. Step 5: Solve for x
   x = 956,886,000,230.25/444,829.50
6. Step 6: Final answer
   x = 2,151,129.82