Finding the Third Proportional to 857,705 and 1,833,447

Step by Step Solution

1. Step 1: Write the proportion equation
   857,705 : 1,833,447 = 1,833,447 : x
2. Step 2: Convert to fraction form
   857,705/1,833,447 = 1,833,447/x
3. Step 3: Cross multiply
   857,705x = 1,833,447 × 1,833,447
4. Step 4: Simplify right side
   857,705x = 3,361,527,901,809
5. Step 5: Solve for x
   x = 3,361,527,901,809/857,705
6. Step 6: Final answer
   x = 3,919,212.20