Finding the Third Proportional to 0.89 and 1.18

Step by Step Solution

1. Step 1: Write the proportion equation
   0.89 : 1.18 = 1.18 : x
2. Step 2: Convert to fraction form
   0.89/1.18 = 1.18/x
3. Step 3: Cross multiply
   0.89x = 1.18 × 1.18
4. Step 4: Simplify right side
   0.89x = 1.38
5. Step 5: Solve for x
   x = 1.38/0.89
6. Step 6: Final answer
   x = 1.56