Finding the Third Proportional to 2,820,328 and 4,236,744

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820,328 : 4,236,744 = 4,236,744 : x
2. Step 2: Convert to fraction form
   2,820,328/4,236,744 = 4,236,744/x
3. Step 3: Cross multiply
   2,820,328x = 4,236,744 × 4,236,744
4. Step 4: Simplify right side
   2,820,328x = 17,949,999,721,536
5. Step 5: Solve for x
   x = 17,949,999,721,536/2,820,328
6. Step 6: Final answer
   x = 6,364,507.86