Finding the Third Proportional to 857,120 and 1,843,236

Step by Step Solution

1. Step 1: Write the proportion equation
   857,120 : 1,843,236 = 1,843,236 : x
2. Step 2: Convert to fraction form
   857,120/1,843,236 = 1,843,236/x
3. Step 3: Cross multiply
   857,120x = 1,843,236 × 1,843,236
4. Step 4: Simplify right side
   857,120x = 3,397,518,951,696
5. Step 5: Solve for x
   x = 3,397,518,951,696/857,120
6. Step 6: Final answer
   x = 3,963,877.81