Finding the Third Proportional to 2,646,837 and 5,726,691

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,837 : 5,726,691 = 5,726,691 : x
2. Step 2: Convert to fraction form
   2,646,837/5,726,691 = 5,726,691/x
3. Step 3: Cross multiply
   2,646,837x = 5,726,691 × 5,726,691
4. Step 4: Simplify right side
   2,646,837x = 32,794,989,809,481
5. Step 5: Solve for x
   x = 32,794,989,809,481/2,646,837
6. Step 6: Final answer
   x = 12,390,256.68