Finding the Third Proportional to 116.94 and 275.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116.94 : 275.56 = 275.56 : x
2. Step 2: Convert to fraction form
   116.94/275.56 = 275.56/x
3. Step 3: Cross multiply
   116.94x = 275.56 × 275.56
4. Step 4: Simplify right side
   116.94x = 75,934.69
5. Step 5: Solve for x
   x = 75,934.69/116.94
6. Step 6: Final answer
   x = 649.36