Finding the Third Proportional to 123,565.50 and 188,811

Step by Step Solution

1. Step 1: Write the proportion equation
   123,565.50 : 188,811 = 188,811 : x
2. Step 2: Convert to fraction form
   123,565.50/188,811 = 188,811/x
3. Step 3: Cross multiply
   123,565.50x = 188,811 × 188,811
4. Step 4: Simplify right side
   123,565.50x = 35,649,593,721
5. Step 5: Solve for x
   x = 35,649,593,721/123,565.50
6. Step 6: Final answer
   x = 288,507.66