Finding the Third Proportional to 72,193 and 108,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,193 : 108,289.50 = 108,289.50 : x
2. Step 2: Convert to fraction form
   72,193/108,289.50 = 108,289.50/x
3. Step 3: Cross multiply
   72,193x = 108,289.50 × 108,289.50
4. Step 4: Simplify right side
   72,193x = 11,726,615,810.25
5. Step 5: Solve for x
   x = 11,726,615,810.25/72,193
6. Step 6: Final answer
   x = 162,434.25