Finding the Third Proportional to 225,031.50 and 328,662

Step by Step Solution

1. Step 1: Write the proportion equation
   225,031.50 : 328,662 = 328,662 : x
2. Step 2: Convert to fraction form
   225,031.50/328,662 = 328,662/x
3. Step 3: Cross multiply
   225,031.50x = 328,662 × 328,662
4. Step 4: Simplify right side
   225,031.50x = 108,018,710,244
5. Step 5: Solve for x
   x = 108,018,710,244/225,031.50
6. Step 6: Final answer
   x = 480,015.95