Finding the Third Proportional to 1,281,564 and 2,728,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,564 : 2,728,772 = 2,728,772 : x
2. Step 2: Convert to fraction form
   1,281,564/2,728,772 = 2,728,772/x
3. Step 3: Cross multiply
   1,281,564x = 2,728,772 × 2,728,772
4. Step 4: Simplify right side
   1,281,564x = 7,446,196,627,984
5. Step 5: Solve for x
   x = 7,446,196,627,984/1,281,564
6. Step 6: Final answer
   x = 5,810,241.73