Finding the Third Proportional to 857,478 and 1,862,524

Step by Step Solution

1. Step 1: Write the proportion equation
   857,478 : 1,862,524 = 1,862,524 : x
2. Step 2: Convert to fraction form
   857,478/1,862,524 = 1,862,524/x
3. Step 3: Cross multiply
   857,478x = 1,862,524 × 1,862,524
4. Step 4: Simplify right side
   857,478x = 3,468,995,650,576
5. Step 5: Solve for x
   x = 3,468,995,650,576/857,478
6. Step 6: Final answer
   x = 4,045,579.77