Finding the Third Proportional to 70.56 and 110.59

Step by Step Solution

1. Step 1: Write the proportion equation
   70.56 : 110.59 = 110.59 : x
2. Step 2: Convert to fraction form
   70.56/110.59 = 110.59/x
3. Step 3: Cross multiply
   70.56x = 110.59 × 110.59
4. Step 4: Simplify right side
   70.56x = 12,230.98
5. Step 5: Solve for x
   x = 12,230.98/70.56
6. Step 6: Final answer
   x = 173.34