Finding the Third Proportional to 444,856.50 and 978,273

Step by Step Solution

1. Step 1: Write the proportion equation
   444,856.50 : 978,273 = 978,273 : x
2. Step 2: Convert to fraction form
   444,856.50/978,273 = 978,273/x
3. Step 3: Cross multiply
   444,856.50x = 978,273 × 978,273
4. Step 4: Simplify right side
   444,856.50x = 957,018,062,529
5. Step 5: Solve for x
   x = 957,018,062,529/444,856.50
6. Step 6: Final answer
   x = 2,151,296.12