Finding the Third Proportional to 1,287,972 and 2,797,182

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,972 : 2,797,182 = 2,797,182 : x
2. Step 2: Convert to fraction form
   1,287,972/2,797,182 = 2,797,182/x
3. Step 3: Cross multiply
   1,287,972x = 2,797,182 × 2,797,182
4. Step 4: Simplify right side
   1,287,972x = 7,824,227,141,124
5. Step 5: Solve for x
   x = 7,824,227,141,124/1,287,972
6. Step 6: Final answer
   x = 6,074,842.58