Finding the Third Proportional to 828,392 and 1,811,872

Step by Step Solution

1. Step 1: Write the proportion equation
   828,392 : 1,811,872 = 1,811,872 : x
2. Step 2: Convert to fraction form
   828,392/1,811,872 = 1,811,872/x
3. Step 3: Cross multiply
   828,392x = 1,811,872 × 1,811,872
4. Step 4: Simplify right side
   828,392x = 3,282,880,144,384
5. Step 5: Solve for x
   x = 3,282,880,144,384/828,392
6. Step 6: Final answer
   x = 3,962,954.91