Finding the Third Proportional to 42.61 and 88.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42.61 : 88.59 = 88.59 : x
2. Step 2: Convert to fraction form
   42.61/88.59 = 88.59/x
3. Step 3: Cross multiply
   42.61x = 88.59 × 88.59
4. Step 4: Simplify right side
   42.61x = 7,848.85
5. Step 5: Solve for x
   x = 7,848.85/42.61
6. Step 6: Final answer
   x = 184.20