Finding the Third Proportional to 828,423 and 1,811,910

Step by Step Solution

1. Step 1: Write the proportion equation
   828,423 : 1,811,910 = 1,811,910 : x
2. Step 2: Convert to fraction form
   828,423/1,811,910 = 1,811,910/x
3. Step 3: Cross multiply
   828,423x = 1,811,910 × 1,811,910
4. Step 4: Simplify right side
   828,423x = 3,283,017,848,100
5. Step 5: Solve for x
   x = 3,283,017,848,100/828,423
6. Step 6: Final answer
   x = 3,962,972.84