Finding the Third Proportional to 819,108 and 1,282,140

Step by Step Solution

1. Step 1: Write the proportion equation
   819,108 : 1,282,140 = 1,282,140 : x
2. Step 2: Convert to fraction form
   819,108/1,282,140 = 1,282,140/x
3. Step 3: Cross multiply
   819,108x = 1,282,140 × 1,282,140
4. Step 4: Simplify right side
   819,108x = 1,643,882,979,600
5. Step 5: Solve for x
   x = 1,643,882,979,600/819,108
6. Step 6: Final answer
   x = 2,006,918.48