Finding the Third Proportional to 117.56 and 153.84

Step by Step Solution

1. Step 1: Write the proportion equation
   117.56 : 153.84 = 153.84 : x
2. Step 2: Convert to fraction form
   117.56/153.84 = 153.84/x
3. Step 3: Cross multiply
   117.56x = 153.84 × 153.84
4. Step 4: Simplify right side
   117.56x = 23,667.90
5. Step 5: Solve for x
   x = 23,667.90/117.56
6. Step 6: Final answer
   x = 201.32