Finding the Third Proportional to 443,128.50 and 966,459

Step by Step Solution

1. Step 1: Write the proportion equation
   443,128.50 : 966,459 = 966,459 : x
2. Step 2: Convert to fraction form
   443,128.50/966,459 = 966,459/x
3. Step 3: Cross multiply
   443,128.50x = 966,459 × 966,459
4. Step 4: Simplify right side
   443,128.50x = 934,042,998,681
5. Step 5: Solve for x
   x = 934,042,998,681/443,128.50
6. Step 6: Final answer
   x = 2,107,837.79