Finding the Third Proportional to 275,965.50 and 404,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,965.50 : 404,863.50 = 404,863.50 : x
2. Step 2: Convert to fraction form
   275,965.50/404,863.50 = 404,863.50/x
3. Step 3: Cross multiply
   275,965.50x = 404,863.50 × 404,863.50
4. Step 4: Simplify right side
   275,965.50x = 163,914,453,632.25
5. Step 5: Solve for x
   x = 163,914,453,632.25/275,965.50
6. Step 6: Final answer
   x = 593,967.19