Finding the Third Proportional to 0.91 and 1.83

Step by Step Solution

1. Step 1: Write the proportion equation
   0.91 : 1.83 = 1.83 : x
2. Step 2: Convert to fraction form
   0.91/1.83 = 1.83/x
3. Step 3: Cross multiply
   0.91x = 1.83 × 1.83
4. Step 4: Simplify right side
   0.91x = 3.34
5. Step 5: Solve for x
   x = 3.34/0.91
6. Step 6: Final answer
   x = 3.68