Finding the Third Proportional to 207,285 and 443,010

Step by Step Solution

1. Step 1: Write the proportion equation
   207,285 : 443,010 = 443,010 : x
2. Step 2: Convert to fraction form
   207,285/443,010 = 443,010/x
3. Step 3: Cross multiply
   207,285x = 443,010 × 443,010
4. Step 4: Simplify right side
   207,285x = 196,257,860,100
5. Step 5: Solve for x
   x = 196,257,860,100/207,285
6. Step 6: Final answer
   x = 946,802.04