Finding the Third Proportional to 164,654.25 and 342,228

Step by Step Solution

1. Step 1: Write the proportion equation
   164,654.25 : 342,228 = 342,228 : x
2. Step 2: Convert to fraction form
   164,654.25/342,228 = 342,228/x
3. Step 3: Cross multiply
   164,654.25x = 342,228 × 342,228
4. Step 4: Simplify right side
   164,654.25x = 117,120,003,984
5. Step 5: Solve for x
   x = 117,120,003,984/164,654.25
6. Step 6: Final answer
   x = 711,308.72