Finding the Third Proportional to 83,608.50 and 180,279

Step by Step Solution

1. Step 1: Write the proportion equation
   83,608.50 : 180,279 = 180,279 : x
2. Step 2: Convert to fraction form
   83,608.50/180,279 = 180,279/x
3. Step 3: Cross multiply
   83,608.50x = 180,279 × 180,279
4. Step 4: Simplify right side
   83,608.50x = 32,500,517,841
5. Step 5: Solve for x
   x = 32,500,517,841/83,608.50
6. Step 6: Final answer
   x = 388,722.65