Finding the Third Proportional to 87.89 and 190.83

Step by Step Solution

1. Step 1: Write the proportion equation
   87.89 : 190.83 = 190.83 : x
2. Step 2: Convert to fraction form
   87.89/190.83 = 190.83/x
3. Step 3: Cross multiply
   87.89x = 190.83 × 190.83
4. Step 4: Simplify right side
   87.89x = 36,415.37
5. Step 5: Solve for x
   x = 36,415.37/87.89
6. Step 6: Final answer
   x = 414.33