Finding the Third Proportional to 3,747,564 and 8,137,266

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747,564 : 8,137,266 = 8,137,266 : x
2. Step 2: Convert to fraction form
   3,747,564/8,137,266 = 8,137,266/x
3. Step 3: Cross multiply
   3,747,564x = 8,137,266 × 8,137,266
4. Step 4: Simplify right side
   3,747,564x = 66,215,097,954,756
5. Step 5: Solve for x
   x = 66,215,097,954,756/3,747,564
6. Step 6: Final answer
   x = 17,668,837.13