Finding the Third Proportional to 110,470.50 and 172,812

Step by Step Solution

1. Step 1: Write the proportion equation
   110,470.50 : 172,812 = 172,812 : x
2. Step 2: Convert to fraction form
   110,470.50/172,812 = 172,812/x
3. Step 3: Cross multiply
   110,470.50x = 172,812 × 172,812
4. Step 4: Simplify right side
   110,470.50x = 29,863,987,344
5. Step 5: Solve for x
   x = 29,863,987,344/110,470.50
6. Step 6: Final answer
   x = 270,334.50