Finding the Third Proportional to 1,682,215 and 3,648,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,215 : 3,648,376 = 3,648,376 : x
2. Step 2: Convert to fraction form
   1,682,215/3,648,376 = 3,648,376/x
3. Step 3: Cross multiply
   1,682,215x = 3,648,376 × 3,648,376
4. Step 4: Simplify right side
   1,682,215x = 13,310,647,437,376
5. Step 5: Solve for x
   x = 13,310,647,437,376/1,682,215
6. Step 6: Final answer
   x = 7,912,572.08