Finding the Third Proportional to 857,719 and 1,829,436

Step by Step Solution

1. Step 1: Write the proportion equation
   857,719 : 1,829,436 = 1,829,436 : x
2. Step 2: Convert to fraction form
   857,719/1,829,436 = 1,829,436/x
3. Step 3: Cross multiply
   857,719x = 1,829,436 × 1,829,436
4. Step 4: Simplify right side
   857,719x = 3,346,836,078,096
5. Step 5: Solve for x
   x = 3,346,836,078,096/857,719
6. Step 6: Final answer
   x = 3,902,019.28