Finding the Third Proportional to 207,405.50 and 443,242

Step by Step Solution

1. Step 1: Write the proportion equation
   207,405.50 : 443,242 = 443,242 : x
2. Step 2: Convert to fraction form
   207,405.50/443,242 = 443,242/x
3. Step 3: Cross multiply
   207,405.50x = 443,242 × 443,242
4. Step 4: Simplify right side
   207,405.50x = 196,463,470,564
5. Step 5: Solve for x
   x = 196,463,470,564/207,405.50
6. Step 6: Final answer
   x = 947,243.30