Finding the Third Proportional to 91.69 and 222.19

Step by Step Solution

1. Step 1: Write the proportion equation
   91.69 : 222.19 = 222.19 : x
2. Step 2: Convert to fraction form
   91.69/222.19 = 222.19/x
3. Step 3: Cross multiply
   91.69x = 222.19 × 222.19
4. Step 4: Simplify right side
   91.69x = 49,367.29
5. Step 5: Solve for x
   x = 49,367.29/91.69
6. Step 6: Final answer
   x = 538.43