Finding the Third Proportional to 443,128 and 966,457

Step by Step Solution

1. Step 1: Write the proportion equation
   443,128 : 966,457 = 966,457 : x
2. Step 2: Convert to fraction form
   443,128/966,457 = 966,457/x
3. Step 3: Cross multiply
   443,128x = 966,457 × 966,457
4. Step 4: Simplify right side
   443,128x = 934,039,132,849
5. Step 5: Solve for x
   x = 934,039,132,849/443,128
6. Step 6: Final answer
   x = 2,107,831.45