Finding the Third Proportional to 857,888 and 1,856,992

Step by Step Solution

1. Step 1: Write the proportion equation
   857,888 : 1,856,992 = 1,856,992 : x
2. Step 2: Convert to fraction form
   857,888/1,856,992 = 1,856,992/x
3. Step 3: Cross multiply
   857,888x = 1,856,992 × 1,856,992
4. Step 4: Simplify right side
   857,888x = 3,448,419,288,064
5. Step 5: Solve for x
   x = 3,448,419,288,064/857,888
6. Step 6: Final answer
   x = 4,019,661.41