Finding the Third Proportional to 353,944.50 and 764,238

Step by Step Solution

1. Step 1: Write the proportion equation
   353,944.50 : 764,238 = 764,238 : x
2. Step 2: Convert to fraction form
   353,944.50/764,238 = 764,238/x
3. Step 3: Cross multiply
   353,944.50x = 764,238 × 764,238
4. Step 4: Simplify right side
   353,944.50x = 584,059,720,644
5. Step 5: Solve for x
   x = 584,059,720,644/353,944.50
6. Step 6: Final answer
   x = 1,650,144.93