Finding the Third Proportional to 368,311.50 and 814,059

Step by Step Solution

1. Step 1: Write the proportion equation
   368,311.50 : 814,059 = 814,059 : x
2. Step 2: Convert to fraction form
   368,311.50/814,059 = 814,059/x
3. Step 3: Cross multiply
   368,311.50x = 814,059 × 814,059
4. Step 4: Simplify right side
   368,311.50x = 662,692,055,481
5. Step 5: Solve for x
   x = 662,692,055,481/368,311.50
6. Step 6: Final answer
   x = 1,799,270.61