Finding the Third Proportional to 3,706,544 and 8,121,676

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706,544 : 8,121,676 = 8,121,676 : x
2. Step 2: Convert to fraction form
   3,706,544/8,121,676 = 8,121,676/x
3. Step 3: Cross multiply
   3,706,544x = 8,121,676 × 8,121,676
4. Step 4: Simplify right side
   3,706,544x = 65,961,621,048,976
5. Step 5: Solve for x
   x = 65,961,621,048,976/3,706,544
6. Step 6: Final answer
   x = 17,795,990.29