Finding the Third Proportional to 332,109 and 515,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   332,109 : 515,659.50 = 515,659.50 : x
2. Step 2: Convert to fraction form
   332,109/515,659.50 = 515,659.50/x
3. Step 3: Cross multiply
   332,109x = 515,659.50 × 515,659.50
4. Step 4: Simplify right side
   332,109x = 265,904,719,940.25
5. Step 5: Solve for x
   x = 265,904,719,940.25/332,109
6. Step 6: Final answer
   x = 800,654.97