Finding the Third Proportional to 847,256 and 1,862,428

Step by Step Solution

1. Step 1: Write the proportion equation
   847,256 : 1,862,428 = 1,862,428 : x
2. Step 2: Convert to fraction form
   847,256/1,862,428 = 1,862,428/x
3. Step 3: Cross multiply
   847,256x = 1,862,428 × 1,862,428
4. Step 4: Simplify right side
   847,256x = 3,468,638,055,184
5. Step 5: Solve for x
   x = 3,468,638,055,184/847,256
6. Step 6: Final answer
   x = 4,093,966.94