Finding the Third Proportional to 171,061.50 and 364,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,061.50 : 364,270.50 = 364,270.50 : x
2. Step 2: Convert to fraction form
   171,061.50/364,270.50 = 364,270.50/x
3. Step 3: Cross multiply
   171,061.50x = 364,270.50 × 364,270.50
4. Step 4: Simplify right side
   171,061.50x = 132,692,997,170.25
5. Step 5: Solve for x
   x = 132,692,997,170.25/171,061.50
6. Step 6: Final answer
   x = 775,703.46