Finding the Third Proportional to 2,390,904 and 5,159,643

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,904 : 5,159,643 = 5,159,643 : x
2. Step 2: Convert to fraction form
   2,390,904/5,159,643 = 5,159,643/x
3. Step 3: Cross multiply
   2,390,904x = 5,159,643 × 5,159,643
4. Step 4: Simplify right side
   2,390,904x = 26,621,915,887,449
5. Step 5: Solve for x
   x = 26,621,915,887,449/2,390,904
6. Step 6: Final answer
   x = 11,134,665.33