Finding the Third Proportional to 172,086.50 and 369,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,086.50 : 369,083.50 = 369,083.50 : x
2. Step 2: Convert to fraction form
   172,086.50/369,083.50 = 369,083.50/x
3. Step 3: Cross multiply
   172,086.50x = 369,083.50 × 369,083.50
4. Step 4: Simplify right side
   172,086.50x = 136,222,629,972.25
5. Step 5: Solve for x
   x = 136,222,629,972.25/172,086.50
6. Step 6: Final answer
   x = 791,593.94