Finding the Third Proportional to 831,285 and 1,786,890

Step by Step Solution

1. Step 1: Write the proportion equation
   831,285 : 1,786,890 = 1,786,890 : x
2. Step 2: Convert to fraction form
   831,285/1,786,890 = 1,786,890/x
3. Step 3: Cross multiply
   831,285x = 1,786,890 × 1,786,890
4. Step 4: Simplify right side
   831,285x = 3,192,975,872,100
5. Step 5: Solve for x
   x = 3,192,975,872,100/831,285
6. Step 6: Final answer
   x = 3,841,012.25