Finding the Third Proportional to 153,367.50 and 327,609

Step by Step Solution

1. Step 1: Write the proportion equation
   153,367.50 : 327,609 = 327,609 : x
2. Step 2: Convert to fraction form
   153,367.50/327,609 = 327,609/x
3. Step 3: Cross multiply
   153,367.50x = 327,609 × 327,609
4. Step 4: Simplify right side
   153,367.50x = 107,327,656,881
5. Step 5: Solve for x
   x = 107,327,656,881/153,367.50
6. Step 6: Final answer
   x = 699,807.04