Finding the Third Proportional to 208,800 and 443,520

Step by Step Solution

1. Step 1: Write the proportion equation
   208,800 : 443,520 = 443,520 : x
2. Step 2: Convert to fraction form
   208,800/443,520 = 443,520/x
3. Step 3: Cross multiply
   208,800x = 443,520 × 443,520
4. Step 4: Simplify right side
   208,800x = 196,709,990,400
5. Step 5: Solve for x
   x = 196,709,990,400/208,800
6. Step 6: Final answer
   x = 942,097.66