Finding the Third Proportional to 857,462 and 1,862,492

Step by Step Solution

1. Step 1: Write the proportion equation
   857,462 : 1,862,492 = 1,862,492 : x
2. Step 2: Convert to fraction form
   857,462/1,862,492 = 1,862,492/x
3. Step 3: Cross multiply
   857,462x = 1,862,492 × 1,862,492
4. Step 4: Simplify right side
   857,462x = 3,468,876,450,064
5. Step 5: Solve for x
   x = 3,468,876,450,064/857,462
6. Step 6: Final answer
   x = 4,045,516.24