Finding the Third Proportional to 43.61 and 91.71

Step by Step Solution

1. Step 1: Write the proportion equation
   43.61 : 91.71 = 91.71 : x
2. Step 2: Convert to fraction form
   43.61/91.71 = 91.71/x
3. Step 3: Cross multiply
   43.61x = 91.71 × 91.71
4. Step 4: Simplify right side
   43.61x = 8,411.61
5. Step 5: Solve for x
   x = 8,411.61/43.61
6. Step 6: Final answer
   x = 192.87