Finding the Third Proportional to 108,288 and 162,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,288 : 162,904.50 = 162,904.50 : x
2. Step 2: Convert to fraction form
   108,288/162,904.50 = 162,904.50/x
3. Step 3: Cross multiply
   108,288x = 162,904.50 × 162,904.50
4. Step 4: Simplify right side
   108,288x = 26,537,876,120.25
5. Step 5: Solve for x
   x = 26,537,876,120.25/108,288
6. Step 6: Final answer
   x = 245,067.56