Finding the Third Proportional to 126,692.50 and 275,436

Step by Step Solution

1. Step 1: Write the proportion equation
   126,692.50 : 275,436 = 275,436 : x
2. Step 2: Convert to fraction form
   126,692.50/275,436 = 275,436/x
3. Step 3: Cross multiply
   126,692.50x = 275,436 × 275,436
4. Step 4: Simplify right side
   126,692.50x = 75,864,990,096
5. Step 5: Solve for x
   x = 75,864,990,096/126,692.50
6. Step 6: Final answer
   x = 598,812.01