Finding the Third Proportional to 2,648,928 and 5,721,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,928 : 5,721,228 = 5,721,228 : x
2. Step 2: Convert to fraction form
   2,648,928/5,721,228 = 5,721,228/x
3. Step 3: Cross multiply
   2,648,928x = 5,721,228 × 5,721,228
4. Step 4: Simplify right side
   2,648,928x = 32,732,449,827,984
5. Step 5: Solve for x
   x = 32,732,449,827,984/2,648,928
6. Step 6: Final answer
   x = 12,356,866.56