Finding the Third Proportional to 118,538.50 and 180,112

Step by Step Solution

1. Step 1: Write the proportion equation
   118,538.50 : 180,112 = 180,112 : x
2. Step 2: Convert to fraction form
   118,538.50/180,112 = 180,112/x
3. Step 3: Cross multiply
   118,538.50x = 180,112 × 180,112
4. Step 4: Simplify right side
   118,538.50x = 32,440,332,544
5. Step 5: Solve for x
   x = 32,440,332,544/118,538.50
6. Step 6: Final answer
   x = 273,669.17