Finding the Third Proportional to 228,322.50 and 361,521

Step by Step Solution

1. Step 1: Write the proportion equation
   228,322.50 : 361,521 = 361,521 : x
2. Step 2: Convert to fraction form
   228,322.50/361,521 = 361,521/x
3. Step 3: Cross multiply
   228,322.50x = 361,521 × 361,521
4. Step 4: Simplify right side
   228,322.50x = 130,697,433,441
5. Step 5: Solve for x
   x = 130,697,433,441/228,322.50
6. Step 6: Final answer
   x = 572,424.68