Finding the Third Proportional to 228,628.50 and 347,502

Step by Step Solution

1. Step 1: Write the proportion equation
   228,628.50 : 347,502 = 347,502 : x
2. Step 2: Convert to fraction form
   228,628.50/347,502 = 347,502/x
3. Step 3: Cross multiply
   228,628.50x = 347,502 × 347,502
4. Step 4: Simplify right side
   228,628.50x = 120,757,640,004
5. Step 5: Solve for x
   x = 120,757,640,004/228,628.50
6. Step 6: Final answer
   x = 528,182.79