Finding the Third Proportional to 228,222 and 354,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,222 : 354,766.50 = 354,766.50 : x
2. Step 2: Convert to fraction form
   228,222/354,766.50 = 354,766.50/x
3. Step 3: Cross multiply
   228,222x = 354,766.50 × 354,766.50
4. Step 4: Simplify right side
   228,222x = 125,859,269,522.25
5. Step 5: Solve for x
   x = 125,859,269,522.25/228,222
6. Step 6: Final answer
   x = 551,477.38