Finding the Third Proportional to 2,586,212 and 5,620,084

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,212 : 5,620,084 = 5,620,084 : x
2. Step 2: Convert to fraction form
   2,586,212/5,620,084 = 5,620,084/x
3. Step 3: Cross multiply
   2,586,212x = 5,620,084 × 5,620,084
4. Step 4: Simplify right side
   2,586,212x = 31,585,344,167,056
5. Step 5: Solve for x
   x = 31,585,344,167,056/2,586,212
6. Step 6: Final answer
   x = 12,212,975.64