Finding the Third Proportional to 81,856.50 and 175,673

Step by Step Solution

1. Step 1: Write the proportion equation
   81,856.50 : 175,673 = 175,673 : x
2. Step 2: Convert to fraction form
   81,856.50/175,673 = 175,673/x
3. Step 3: Cross multiply
   81,856.50x = 175,673 × 175,673
4. Step 4: Simplify right side
   81,856.50x = 30,861,002,929
5. Step 5: Solve for x
   x = 30,861,002,929/81,856.50
6. Step 6: Final answer
   x = 377,013.47