Finding the Third Proportional to 215,119.50 and 444,054

Step by Step Solution

1. Step 1: Write the proportion equation
   215,119.50 : 444,054 = 444,054 : x
2. Step 2: Convert to fraction form
   215,119.50/444,054 = 444,054/x
3. Step 3: Cross multiply
   215,119.50x = 444,054 × 444,054
4. Step 4: Simplify right side
   215,119.50x = 197,183,954,916
5. Step 5: Solve for x
   x = 197,183,954,916/215,119.50
6. Step 6: Final answer
   x = 916,625.20