Finding the Third Proportional to 108,081 and 161,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,081 : 161,689.50 = 161,689.50 : x
2. Step 2: Convert to fraction form
   108,081/161,689.50 = 161,689.50/x
3. Step 3: Cross multiply
   108,081x = 161,689.50 × 161,689.50
4. Step 4: Simplify right side
   108,081x = 26,143,494,410.25
5. Step 5: Solve for x
   x = 26,143,494,410.25/108,081
6. Step 6: Final answer
   x = 241,887.98