Finding the Third Proportional to 275,998.50 and 404,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,998.50 : 404,910.50 = 404,910.50 : x
2. Step 2: Convert to fraction form
   275,998.50/404,910.50 = 404,910.50/x
3. Step 3: Cross multiply
   275,998.50x = 404,910.50 × 404,910.50
4. Step 4: Simplify right side
   275,998.50x = 163,952,513,010.25
5. Step 5: Solve for x
   x = 163,952,513,010.25/275,998.50
6. Step 6: Final answer
   x = 594,034.07