Finding the Third Proportional to 203,420 and 443,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,420 : 443,003.50 = 443,003.50 : x
2. Step 2: Convert to fraction form
   203,420/443,003.50 = 443,003.50/x
3. Step 3: Cross multiply
   203,420x = 443,003.50 × 443,003.50
4. Step 4: Simplify right side
   203,420x = 196,252,101,012.25
5. Step 5: Solve for x
   x = 196,252,101,012.25/203,420
6. Step 6: Final answer
   x = 964,763.06