Finding the Third Proportional to 165,067.50 and 343,050

Step by Step Solution

1. Step 1: Write the proportion equation
   165,067.50 : 343,050 = 343,050 : x
2. Step 2: Convert to fraction form
   165,067.50/343,050 = 343,050/x
3. Step 3: Cross multiply
   165,067.50x = 343,050 × 343,050
4. Step 4: Simplify right side
   165,067.50x = 117,683,302,500
5. Step 5: Solve for x
   x = 117,683,302,500/165,067.50
6. Step 6: Final answer
   x = 712,940.48