Finding the Third Proportional to 1,682,217 and 3,648,380

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,217 : 3,648,380 = 3,648,380 : x
2. Step 2: Convert to fraction form
   1,682,217/3,648,380 = 3,648,380/x
3. Step 3: Cross multiply
   1,682,217x = 3,648,380 × 3,648,380
4. Step 4: Simplify right side
   1,682,217x = 13,310,676,624,400
5. Step 5: Solve for x
   x = 13,310,676,624,400/1,682,217
6. Step 6: Final answer
   x = 7,912,580.02