Finding the Third Proportional to 1,287,056 and 2,827,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,056 : 2,827,888 = 2,827,888 : x
2. Step 2: Convert to fraction form
   1,287,056/2,827,888 = 2,827,888/x
3. Step 3: Cross multiply
   1,287,056x = 2,827,888 × 2,827,888
4. Step 4: Simplify right side
   1,287,056x = 7,996,950,540,544
5. Step 5: Solve for x
   x = 7,996,950,540,544/1,287,056
6. Step 6: Final answer
   x = 6,213,366.43