Finding the Third Proportional to 61.25 and 133.06

Step by Step Solution

1. Step 1: Write the proportion equation
   61.25 : 133.06 = 133.06 : x
2. Step 2: Convert to fraction form
   61.25/133.06 = 133.06/x
3. Step 3: Cross multiply
   61.25x = 133.06 × 133.06
4. Step 4: Simplify right side
   61.25x = 17,705.63
5. Step 5: Solve for x
   x = 17,705.63/61.25
6. Step 6: Final answer
   x = 289.07