Finding the Third Proportional to 2,431,422 and 5,628,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,422 : 5,628,309 = 5,628,309 : x
2. Step 2: Convert to fraction form
   2,431,422/5,628,309 = 5,628,309/x
3. Step 3: Cross multiply
   2,431,422x = 5,628,309 × 5,628,309
4. Step 4: Simplify right side
   2,431,422x = 31,677,862,199,481
5. Step 5: Solve for x
   x = 31,677,862,199,481/2,431,422
6. Step 6: Final answer
   x = 13,028,533.18