Finding the Third Proportional to 171,034.50 and 364,215

Step by Step Solution

1. Step 1: Write the proportion equation
   171,034.50 : 364,215 = 364,215 : x
2. Step 2: Convert to fraction form
   171,034.50/364,215 = 364,215/x
3. Step 3: Cross multiply
   171,034.50x = 364,215 × 364,215
4. Step 4: Simplify right side
   171,034.50x = 132,652,566,225
5. Step 5: Solve for x
   x = 132,652,566,225/171,034.50
6. Step 6: Final answer
   x = 775,589.52