Finding the Third Proportional to 857,476 and 1,862,520

Step by Step Solution

1. Step 1: Write the proportion equation
   857,476 : 1,862,520 = 1,862,520 : x
2. Step 2: Convert to fraction form
   857,476/1,862,520 = 1,862,520/x
3. Step 3: Cross multiply
   857,476x = 1,862,520 × 1,862,520
4. Step 4: Simplify right side
   857,476x = 3,468,980,750,400
5. Step 5: Solve for x
   x = 3,468,980,750,400/857,476
6. Step 6: Final answer
   x = 4,045,571.83