Finding the Third Proportional to 2,747,456 and 4,202,772

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747,456 : 4,202,772 = 4,202,772 : x
2. Step 2: Convert to fraction form
   2,747,456/4,202,772 = 4,202,772/x
3. Step 3: Cross multiply
   2,747,456x = 4,202,772 × 4,202,772
4. Step 4: Simplify right side
   2,747,456x = 17,663,292,483,984
5. Step 5: Solve for x
   x = 17,663,292,483,984/2,747,456
6. Step 6: Final answer
   x = 6,428,962.82