Finding the Third Proportional to 74.81 and 116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74.81 : 116.72 = 116.72 : x
2. Step 2: Convert to fraction form
   74.81/116.72 = 116.72/x
3. Step 3: Cross multiply
   74.81x = 116.72 × 116.72
4. Step 4: Simplify right side
   74.81x = 13,623.27
5. Step 5: Solve for x
   x = 13,623.27/74.81
6. Step 6: Final answer
   x = 182.10