Finding the Third Proportional to 3,780,828 and 8,296,482

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,828 : 8,296,482 = 8,296,482 : x
2. Step 2: Convert to fraction form
   3,780,828/8,296,482 = 8,296,482/x
3. Step 3: Cross multiply
   3,780,828x = 8,296,482 × 8,296,482
4. Step 4: Simplify right side
   3,780,828x = 68,831,613,576,324
5. Step 5: Solve for x
   x = 68,831,613,576,324/3,780,828
6. Step 6: Final answer
   x = 18,205,433.72