Finding the Third Proportional to 2,848,128 and 4,272,759

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848,128 : 4,272,759 = 4,272,759 : x
2. Step 2: Convert to fraction form
   2,848,128/4,272,759 = 4,272,759/x
3. Step 3: Cross multiply
   2,848,128x = 4,272,759 × 4,272,759
4. Step 4: Simplify right side
   2,848,128x = 18,256,469,472,081
5. Step 5: Solve for x
   x = 18,256,469,472,081/2,848,128
6. Step 6: Final answer
   x = 6,409,989.11