Finding the Third Proportional to 847,242 and 1,862,418

Step by Step Solution

1. Step 1: Write the proportion equation
   847,242 : 1,862,418 = 1,862,418 : x
2. Step 2: Convert to fraction form
   847,242/1,862,418 = 1,862,418/x
3. Step 3: Cross multiply
   847,242x = 1,862,418 × 1,862,418
4. Step 4: Simplify right side
   847,242x = 3,468,600,806,724
5. Step 5: Solve for x
   x = 3,468,600,806,724/847,242
6. Step 6: Final answer
   x = 4,093,990.63