Finding the Third Proportional to 2,587,202 and 5,627,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,202 : 5,627,420 = 5,627,420 : x
2. Step 2: Convert to fraction form
   2,587,202/5,627,420 = 5,627,420/x
3. Step 3: Cross multiply
   2,587,202x = 5,627,420 × 5,627,420
4. Step 4: Simplify right side
   2,587,202x = 31,667,855,856,400
5. Step 5: Solve for x
   x = 31,667,855,856,400/2,587,202
6. Step 6: Final answer
   x = 12,240,194.56