Finding the Third Proportional to 856,320 and 1,882,128

Step by Step Solution

1. Step 1: Write the proportion equation
   856,320 : 1,882,128 = 1,882,128 : x
2. Step 2: Convert to fraction form
   856,320/1,882,128 = 1,882,128/x
3. Step 3: Cross multiply
   856,320x = 1,882,128 × 1,882,128
4. Step 4: Simplify right side
   856,320x = 3,542,405,808,384
5. Step 5: Solve for x
   x = 3,542,405,808,384/856,320
6. Step 6: Final answer
   x = 4,136,778.08