Finding the Third Proportional to 3,786,427 and 8,258,195

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,427 : 8,258,195 = 8,258,195 : x
2. Step 2: Convert to fraction form
   3,786,427/8,258,195 = 8,258,195/x
3. Step 3: Cross multiply
   3,786,427x = 8,258,195 × 8,258,195
4. Step 4: Simplify right side
   3,786,427x = 68,197,784,658,025
5. Step 5: Solve for x
   x = 68,197,784,658,025/3,786,427
6. Step 6: Final answer
   x = 18,011,118.31