Finding the Third Proportional to 327,021 and 693,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   327,021 : 693,679.50 = 693,679.50 : x
2. Step 2: Convert to fraction form
   327,021/693,679.50 = 693,679.50/x
3. Step 3: Cross multiply
   327,021x = 693,679.50 × 693,679.50
4. Step 4: Simplify right side
   327,021x = 481,191,248,720.25
5. Step 5: Solve for x
   x = 481,191,248,720.25/327,021
6. Step 6: Final answer
   x = 1,471,438.37