Finding the Third Proportional to 3,781,340 and 8,297,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,340 : 8,297,386 = 8,297,386 : x
2. Step 2: Convert to fraction form
   3,781,340/8,297,386 = 8,297,386/x
3. Step 3: Cross multiply
   3,781,340x = 8,297,386 × 8,297,386
4. Step 4: Simplify right side
   3,781,340x = 68,846,614,432,996
5. Step 5: Solve for x
   x = 68,846,614,432,996/3,781,340
6. Step 6: Final answer
   x = 18,206,935.75