Finding the Third Proportional to 171,655.50 and 251,338

Step by Step Solution

1. Step 1: Write the proportion equation
   171,655.50 : 251,338 = 251,338 : x
2. Step 2: Convert to fraction form
   171,655.50/251,338 = 251,338/x
3. Step 3: Cross multiply
   171,655.50x = 251,338 × 251,338
4. Step 4: Simplify right side
   171,655.50x = 63,170,790,244
5. Step 5: Solve for x
   x = 63,170,790,244/171,655.50
6. Step 6: Final answer
   x = 368,009.12