Finding the Third Proportional to 1,287,940 and 2,797,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,940 : 2,797,118 = 2,797,118 : x
2. Step 2: Convert to fraction form
   1,287,940/2,797,118 = 2,797,118/x
3. Step 3: Cross multiply
   1,287,940x = 2,797,118 × 2,797,118
4. Step 4: Simplify right side
   1,287,940x = 7,823,869,105,924
5. Step 5: Solve for x
   x = 7,823,869,105,924/1,287,940
6. Step 6: Final answer
   x = 6,074,715.52