Finding the Third Proportional to 228,160.50 and 354,686

Step by Step Solution

1. Step 1: Write the proportion equation
   228,160.50 : 354,686 = 354,686 : x
2. Step 2: Convert to fraction form
   228,160.50/354,686 = 354,686/x
3. Step 3: Cross multiply
   228,160.50x = 354,686 × 354,686
4. Step 4: Simplify right side
   228,160.50x = 125,802,158,596
5. Step 5: Solve for x
   x = 125,802,158,596/228,160.50
6. Step 6: Final answer
   x = 551,375.71