Finding the Third Proportional to 56.53 and 88.17

Step by Step Solution

1. Step 1: Write the proportion equation
   56.53 : 88.17 = 88.17 : x
2. Step 2: Convert to fraction form
   56.53/88.17 = 88.17/x
3. Step 3: Cross multiply
   56.53x = 88.17 × 88.17
4. Step 4: Simplify right side
   56.53x = 7,774.28
5. Step 5: Solve for x
   x = 7,774.28/56.53
6. Step 6: Final answer
   x = 137.52