Finding the Third Proportional to 72,193 and 111,108.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,193 : 111,108.75 = 111,108.75 : x
2. Step 2: Convert to fraction form
   72,193/111,108.75 = 111,108.75/x
3. Step 3: Cross multiply
   72,193x = 111,108.75 × 111,108.75
4. Step 4: Simplify right side
   72,193x = 12,345,154,326.56
5. Step 5: Solve for x
   x = 12,345,154,326.56/72,193
6. Step 6: Final answer
   x = 171,002.10