Finding the Third Proportional to 3,727,660 and 8,166,782

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727,660 : 8,166,782 = 8,166,782 : x
2. Step 2: Convert to fraction form
   3,727,660/8,166,782 = 8,166,782/x
3. Step 3: Cross multiply
   3,727,660x = 8,166,782 × 8,166,782
4. Step 4: Simplify right side
   3,727,660x = 66,696,328,235,524
5. Step 5: Solve for x
   x = 66,696,328,235,524/3,727,660
6. Step 6: Final answer
   x = 17,892,277.79