Finding the Third Proportional to 1,287,788 and 2,796,996

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,788 : 2,796,996 = 2,796,996 : x
2. Step 2: Convert to fraction form
   1,287,788/2,796,996 = 2,796,996/x
3. Step 3: Cross multiply
   1,287,788x = 2,796,996 × 2,796,996
4. Step 4: Simplify right side
   1,287,788x = 7,823,186,624,016
5. Step 5: Solve for x
   x = 7,823,186,624,016/1,287,788
6. Step 6: Final answer
   x = 6,074,902.56