Finding the Third Proportional to 105,559.50 and 163,695

Step by Step Solution

1. Step 1: Write the proportion equation
   105,559.50 : 163,695 = 163,695 : x
2. Step 2: Convert to fraction form
   105,559.50/163,695 = 163,695/x
3. Step 3: Cross multiply
   105,559.50x = 163,695 × 163,695
4. Step 4: Simplify right side
   105,559.50x = 26,796,053,025
5. Step 5: Solve for x
   x = 26,796,053,025/105,559.50
6. Step 6: Final answer
   x = 253,847.86