Finding the Third Proportional to 2,555,402 and 5,629,306

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,402 : 5,629,306 = 5,629,306 : x
2. Step 2: Convert to fraction form
   2,555,402/5,629,306 = 5,629,306/x
3. Step 3: Cross multiply
   2,555,402x = 5,629,306 × 5,629,306
4. Step 4: Simplify right side
   2,555,402x = 31,689,086,041,636
5. Step 5: Solve for x
   x = 31,689,086,041,636/2,555,402
6. Step 6: Final answer
   x = 12,400,822.27