Finding the Third Proportional to 353,757.38 and 763,830

Step by Step Solution

1. Step 1: Write the proportion equation
   353,757.38 : 763,830 = 763,830 : x
2. Step 2: Convert to fraction form
   353,757.38/763,830 = 763,830/x
3. Step 3: Cross multiply
   353,757.38x = 763,830 × 763,830
4. Step 4: Simplify right side
   353,757.38x = 583,436,268,900
5. Step 5: Solve for x
   x = 583,436,268,900/353,757.38
6. Step 6: Final answer
   x = 1,649,255.42