Finding the Third Proportional to 2,660,416 and 5,817,739

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,416 : 5,817,739 = 5,817,739 : x
2. Step 2: Convert to fraction form
   2,660,416/5,817,739 = 5,817,739/x
3. Step 3: Cross multiply
   2,660,416x = 5,817,739 × 5,817,739
4. Step 4: Simplify right side
   2,660,416x = 33,846,087,072,121
5. Step 5: Solve for x
   x = 33,846,087,072,121/2,660,416
6. Step 6: Final answer
   x = 12,722,103.26