Finding the Third Proportional to 80,504.50 and 176,945

Step by Step Solution

1. Step 1: Write the proportion equation
   80,504.50 : 176,945 = 176,945 : x
2. Step 2: Convert to fraction form
   80,504.50/176,945 = 176,945/x
3. Step 3: Cross multiply
   80,504.50x = 176,945 × 176,945
4. Step 4: Simplify right side
   80,504.50x = 31,309,533,025
5. Step 5: Solve for x
   x = 31,309,533,025/80,504.50
6. Step 6: Final answer
   x = 388,916.56