Finding the Third Proportional to 10,708,816 and 16,086,738

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708,816 : 16,086,738 = 16,086,738 : x
2. Step 2: Convert to fraction form
   10,708,816/16,086,738 = 16,086,738/x
3. Step 3: Cross multiply
   10,708,816x = 16,086,738 × 16,086,738
4. Step 4: Simplify right side
   10,708,816x = 258,783,139,480,644
5. Step 5: Solve for x
   x = 258,783,139,480,644/10,708,816
6. Step 6: Final answer
   x = 24,165,429.63