Finding the Third Proportional to 191.69 and 254.92

Step by Step Solution

1. Step 1: Write the proportion equation
   191.69 : 254.92 = 254.92 : x
2. Step 2: Convert to fraction form
   191.69/254.92 = 254.92/x
3. Step 3: Cross multiply
   191.69x = 254.92 × 254.92
4. Step 4: Simplify right side
   191.69x = 64,983.17
5. Step 5: Solve for x
   x = 64,983.17/191.69
6. Step 6: Final answer
   x = 339.00