Finding the Third Proportional to 200,920.50 and 275,501.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,920.50 : 275,501.25 = 275,501.25 : x
2. Step 2: Convert to fraction form
   200,920.50/275,501.25 = 275,501.25/x
3. Step 3: Cross multiply
   200,920.50x = 275,501.25 × 275,501.25
4. Step 4: Simplify right side
   200,920.50x = 75,900,938,751.56
5. Step 5: Solve for x
   x = 75,900,938,751.56/200,920.50
6. Step 6: Final answer
   x = 377,766.03