Finding the Third Proportional to 171,750 and 231,380

Step by Step Solution

1. Step 1: Write the proportion equation
   171,750 : 231,380 = 231,380 : x
2. Step 2: Convert to fraction form
   171,750/231,380 = 231,380/x
3. Step 3: Cross multiply
   171,750x = 231,380 × 231,380
4. Step 4: Simplify right side
   171,750x = 53,536,704,400
5. Step 5: Solve for x
   x = 53,536,704,400/171,750
6. Step 6: Final answer
   x = 311,712.98