Finding the Third Proportional to 327,699 and 440,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   327,699 : 440,365.50 = 440,365.50 : x
2. Step 2: Convert to fraction form
   327,699/440,365.50 = 440,365.50/x
3. Step 3: Cross multiply
   327,699x = 440,365.50 × 440,365.50
4. Step 4: Simplify right side
   327,699x = 193,921,773,590.25
5. Step 5: Solve for x
   x = 193,921,773,590.25/327,699
6. Step 6: Final answer
   x = 591,767.97