Finding the Third Proportional to 857,456 and 1,862,480

Step by Step Solution

1. Step 1: Write the proportion equation
   857,456 : 1,862,480 = 1,862,480 : x
2. Step 2: Convert to fraction form
   857,456/1,862,480 = 1,862,480/x
3. Step 3: Cross multiply
   857,456x = 1,862,480 × 1,862,480
4. Step 4: Simplify right side
   857,456x = 3,468,831,750,400
5. Step 5: Solve for x
   x = 3,468,831,750,400/857,456
6. Step 6: Final answer
   x = 4,045,492.42