Finding the Third Proportional to 408,948 and 899,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,948 : 899,110.50 = 899,110.50 : x
2. Step 2: Convert to fraction form
   408,948/899,110.50 = 899,110.50/x
3. Step 3: Cross multiply
   408,948x = 899,110.50 × 899,110.50
4. Step 4: Simplify right side
   408,948x = 808,399,691,210.25
5. Step 5: Solve for x
   x = 808,399,691,210.25/408,948
6. Step 6: Final answer
   x = 1,976,778.69