Finding the Third Proportional to 171,178.88 and 250,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,178.88 : 250,429.50 = 250,429.50 : x
2. Step 2: Convert to fraction form
   171,178.88/250,429.50 = 250,429.50/x
3. Step 3: Cross multiply
   171,178.88x = 250,429.50 × 250,429.50
4. Step 4: Simplify right side
   171,178.88x = 62,714,934,470.25
5. Step 5: Solve for x
   x = 62,714,934,470.25/171,178.88
6. Step 6: Final answer
   x = 366,370.76