Finding the Third Proportional to 819,101 and 1,282,128

Step by Step Solution

1. Step 1: Write the proportion equation
   819,101 : 1,282,128 = 1,282,128 : x
2. Step 2: Convert to fraction form
   819,101/1,282,128 = 1,282,128/x
3. Step 3: Cross multiply
   819,101x = 1,282,128 × 1,282,128
4. Step 4: Simplify right side
   819,101x = 1,643,852,208,384
5. Step 5: Solve for x
   x = 1,643,852,208,384/819,101
6. Step 6: Final answer
   x = 2,006,898.06