Finding the Third Proportional to 203,580 and 443,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,580 : 443,299.50 = 443,299.50 : x
2. Step 2: Convert to fraction form
   203,580/443,299.50 = 443,299.50/x
3. Step 3: Cross multiply
   203,580x = 443,299.50 × 443,299.50
4. Step 4: Simplify right side
   203,580x = 196,514,446,700.25
5. Step 5: Solve for x
   x = 196,514,446,700.25/203,580
6. Step 6: Final answer
   x = 965,293.48