Finding the Third Proportional to 228,828 and 346,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,828 : 346,198.50 = 346,198.50 : x
2. Step 2: Convert to fraction form
   228,828/346,198.50 = 346,198.50/x
3. Step 3: Cross multiply
   228,828x = 346,198.50 × 346,198.50
4. Step 4: Simplify right side
   228,828x = 119,853,401,402.25
5. Step 5: Solve for x
   x = 119,853,401,402.25/228,828
6. Step 6: Final answer
   x = 523,770.70