Finding the Third Proportional to 2,431,403 and 5,628,259

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,403 : 5,628,259 = 5,628,259 : x
2. Step 2: Convert to fraction form
   2,431,403/5,628,259 = 5,628,259/x
3. Step 3: Cross multiply
   2,431,403x = 5,628,259 × 5,628,259
4. Step 4: Simplify right side
   2,431,403x = 31,677,299,371,081
5. Step 5: Solve for x
   x = 31,677,299,371,081/2,431,403
6. Step 6: Final answer
   x = 13,028,403.51