Finding the Third Proportional to 1,287,910 and 2,797,058

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,910 : 2,797,058 = 2,797,058 : x
2. Step 2: Convert to fraction form
   1,287,910/2,797,058 = 2,797,058/x
3. Step 3: Cross multiply
   1,287,910x = 2,797,058 × 2,797,058
4. Step 4: Simplify right side
   1,287,910x = 7,823,533,455,364
5. Step 5: Solve for x
   x = 7,823,533,455,364/1,287,910
6. Step 6: Final answer
   x = 6,074,596.40