Finding the Third Proportional to 2,543,490 and 5,528,754

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543,490 : 5,528,754 = 5,528,754 : x
2. Step 2: Convert to fraction form
   2,543,490/5,528,754 = 5,528,754/x
3. Step 3: Cross multiply
   2,543,490x = 5,528,754 × 5,528,754
4. Step 4: Simplify right side
   2,543,490x = 30,567,120,792,516
5. Step 5: Solve for x
   x = 30,567,120,792,516/2,543,490
6. Step 6: Final answer
   x = 12,017,786.90