Finding the Third Proportional to 368,449.50 and 764,595

Step by Step Solution

1. Step 1: Write the proportion equation
   368,449.50 : 764,595 = 764,595 : x
2. Step 2: Convert to fraction form
   368,449.50/764,595 = 764,595/x
3. Step 3: Cross multiply
   368,449.50x = 764,595 × 764,595
4. Step 4: Simplify right side
   368,449.50x = 584,605,514,025
5. Step 5: Solve for x
   x = 584,605,514,025/368,449.50
6. Step 6: Final answer
   x = 1,586,663.88