Finding the Third Proportional to 200,755 and 275,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,755 : 275,279.50 = 275,279.50 : x
2. Step 2: Convert to fraction form
   200,755/275,279.50 = 275,279.50/x
3. Step 3: Cross multiply
   200,755x = 275,279.50 × 275,279.50
4. Step 4: Simplify right side
   200,755x = 75,778,803,120.25
5. Step 5: Solve for x
   x = 75,778,803,120.25/200,755
6. Step 6: Final answer
   x = 377,469.07