Finding the Third Proportional to 171,819 and 369,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,819 : 369,067.50 = 369,067.50 : x
2. Step 2: Convert to fraction form
   171,819/369,067.50 = 369,067.50/x
3. Step 3: Cross multiply
   171,819x = 369,067.50 × 369,067.50
4. Step 4: Simplify right side
   171,819x = 136,210,819,556.25
5. Step 5: Solve for x
   x = 136,210,819,556.25/171,819
6. Step 6: Final answer
   x = 792,757.61