Finding the Third Proportional to 2,431,430 and 5,628,329

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,430 : 5,628,329 = 5,628,329 : x
2. Step 2: Convert to fraction form
   2,431,430/5,628,329 = 5,628,329/x
3. Step 3: Cross multiply
   2,431,430x = 5,628,329 × 5,628,329
4. Step 4: Simplify right side
   2,431,430x = 31,678,087,332,241
5. Step 5: Solve for x
   x = 31,678,087,332,241/2,431,430
6. Step 6: Final answer
   x = 13,028,582.90