Finding the Third Proportional to 857,113 and 1,843,218

Step by Step Solution

1. Step 1: Write the proportion equation
   857,113 : 1,843,218 = 1,843,218 : x
2. Step 2: Convert to fraction form
   857,113/1,843,218 = 1,843,218/x
3. Step 3: Cross multiply
   857,113x = 1,843,218 × 1,843,218
4. Step 4: Simplify right side
   857,113x = 3,397,452,595,524
5. Step 5: Solve for x
   x = 3,397,452,595,524/857,113
6. Step 6: Final answer
   x = 3,963,832.77