Finding the Third Proportional to 857,472 and 1,862,512

Step by Step Solution

1. Step 1: Write the proportion equation
   857,472 : 1,862,512 = 1,862,512 : x
2. Step 2: Convert to fraction form
   857,472/1,862,512 = 1,862,512/x
3. Step 3: Cross multiply
   857,472x = 1,862,512 × 1,862,512
4. Step 4: Simplify right side
   857,472x = 3,468,950,950,144
5. Step 5: Solve for x
   x = 3,468,950,950,144/857,472
6. Step 6: Final answer
   x = 4,045,555.95