Finding the Third Proportional to 275,211.50 and 606,292

Step by Step Solution

1. Step 1: Write the proportion equation
   275,211.50 : 606,292 = 606,292 : x
2. Step 2: Convert to fraction form
   275,211.50/606,292 = 606,292/x
3. Step 3: Cross multiply
   275,211.50x = 606,292 × 606,292
4. Step 4: Simplify right side
   275,211.50x = 367,589,989,264
5. Step 5: Solve for x
   x = 367,589,989,264/275,211.50
6. Step 6: Final answer
   x = 1,335,663.62