Finding the Third Proportional to 166,067 and 343,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,067 : 343,945.50 = 343,945.50 : x
2. Step 2: Convert to fraction form
   166,067/343,945.50 = 343,945.50/x
3. Step 3: Cross multiply
   166,067x = 343,945.50 × 343,945.50
4. Step 4: Simplify right side
   166,067x = 118,298,506,970.25
5. Step 5: Solve for x
   x = 118,298,506,970.25/166,067
6. Step 6: Final answer
   x = 712,354.09