Finding the Third Proportional to 81,555 and 119,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,555 : 119,185.50 = 119,185.50 : x
2. Step 2: Convert to fraction form
   81,555/119,185.50 = 119,185.50/x
3. Step 3: Cross multiply
   81,555x = 119,185.50 × 119,185.50
4. Step 4: Simplify right side
   81,555x = 14,205,183,410.25
5. Step 5: Solve for x
   x = 14,205,183,410.25/81,555
6. Step 6: Final answer
   x = 174,179.18