Finding the Third Proportional to 123,831.50 and 191,328

Step by Step Solution

1. Step 1: Write the proportion equation
   123,831.50 : 191,328 = 191,328 : x
2. Step 2: Convert to fraction form
   123,831.50/191,328 = 191,328/x
3. Step 3: Cross multiply
   123,831.50x = 191,328 × 191,328
4. Step 4: Simplify right side
   123,831.50x = 36,606,403,584
5. Step 5: Solve for x
   x = 36,606,403,584/123,831.50
6. Step 6: Final answer
   x = 295,614.63