Finding the Third Proportional to 172,171.88 and 365,185.88

Step by Step Solution

1. Step 1: Write the proportion equation
   172,171.88 : 365,185.88 = 365,185.88 : x
2. Step 2: Convert to fraction form
   172,171.88/365,185.88 = 365,185.88/x
3. Step 3: Cross multiply
   172,171.88x = 365,185.88 × 365,185.88
4. Step 4: Simplify right side
   172,171.88x = 133,360,723,299.52
5. Step 5: Solve for x
   x = 133,360,723,299.52/172,171.88
6. Step 6: Final answer
   x = 774,579.03