Finding the Third Proportional to 203,520 and 443,200

Step by Step Solution

1. Step 1: Write the proportion equation
   203,520 : 443,200 = 443,200 : x
2. Step 2: Convert to fraction form
   203,520/443,200 = 443,200/x
3. Step 3: Cross multiply
   203,520x = 443,200 × 443,200
4. Step 4: Simplify right side
   203,520x = 196,426,240,000
5. Step 5: Solve for x
   x = 196,426,240,000/203,520
6. Step 6: Final answer
   x = 965,144.65