Finding the Third Proportional to 171,168 and 251,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,168 : 251,905.50 = 251,905.50 : x
2. Step 2: Convert to fraction form
   171,168/251,905.50 = 251,905.50/x
3. Step 3: Cross multiply
   171,168x = 251,905.50 × 251,905.50
4. Step 4: Simplify right side
   171,168x = 63,456,380,930.25
5. Step 5: Solve for x
   x = 63,456,380,930.25/171,168
6. Step 6: Final answer
   x = 370,725.73