Finding the Third Proportional to 2,554,012 and 5,586,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,012 : 5,586,680 = 5,586,680 : x
2. Step 2: Convert to fraction form
   2,554,012/5,586,680 = 5,586,680/x
3. Step 3: Cross multiply
   2,554,012x = 5,586,680 × 5,586,680
4. Step 4: Simplify right side
   2,554,012x = 31,210,993,422,400
5. Step 5: Solve for x
   x = 31,210,993,422,400/2,554,012
6. Step 6: Final answer
   x = 12,220,378.53