Finding the Third Proportional to 2,431,428 and 5,628,324

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,428 : 5,628,324 = 5,628,324 : x
2. Step 2: Convert to fraction form
   2,431,428/5,628,324 = 5,628,324/x
3. Step 3: Cross multiply
   2,431,428x = 5,628,324 × 5,628,324
4. Step 4: Simplify right side
   2,431,428x = 31,678,031,048,976
5. Step 5: Solve for x
   x = 31,678,031,048,976/2,431,428
6. Step 6: Final answer
   x = 13,028,570.47