Finding the Third Proportional to 207,234 and 443,870

Step by Step Solution

1. Step 1: Write the proportion equation
   207,234 : 443,870 = 443,870 : x
2. Step 2: Convert to fraction form
   207,234/443,870 = 443,870/x
3. Step 3: Cross multiply
   207,234x = 443,870 × 443,870
4. Step 4: Simplify right side
   207,234x = 197,020,576,900
5. Step 5: Solve for x
   x = 197,020,576,900/207,234
6. Step 6: Final answer
   x = 950,715.50