Finding the Third Proportional to 108,289 and 162,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,289 : 162,433.50 = 162,433.50 : x
2. Step 2: Convert to fraction form
   108,289/162,433.50 = 162,433.50/x
3. Step 3: Cross multiply
   108,289x = 162,433.50 × 162,433.50
4. Step 4: Simplify right side
   108,289x = 26,384,641,922.25
5. Step 5: Solve for x
   x = 26,384,641,922.25/108,289
6. Step 6: Final answer
   x = 243,650.25