Finding the Third Proportional to 2,556,711 and 5,594,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,711 : 5,594,420 = 5,594,420 : x
2. Step 2: Convert to fraction form
   2,556,711/5,594,420 = 5,594,420/x
3. Step 3: Cross multiply
   2,556,711x = 5,594,420 × 5,594,420
4. Step 4: Simplify right side
   2,556,711x = 31,297,535,136,400
5. Step 5: Solve for x
   x = 31,297,535,136,400/2,556,711
6. Step 6: Final answer
   x = 12,241,326.90