Finding the Third Proportional to 2,431,420 and 5,628,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,420 : 5,628,304 = 5,628,304 : x
2. Step 2: Convert to fraction form
   2,431,420/5,628,304 = 5,628,304/x
3. Step 3: Cross multiply
   2,431,420x = 5,628,304 × 5,628,304
4. Step 4: Simplify right side
   2,431,420x = 31,677,805,916,416
5. Step 5: Solve for x
   x = 31,677,805,916,416/2,431,420
6. Step 6: Final answer
   x = 13,028,520.75