Finding the Third Proportional to 2,436,810 and 5,280,400

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,810 : 5,280,400 = 5,280,400 : x
2. Step 2: Convert to fraction form
   2,436,810/5,280,400 = 5,280,400/x
3. Step 3: Cross multiply
   2,436,810x = 5,280,400 × 5,280,400
4. Step 4: Simplify right side
   2,436,810x = 27,882,624,160,000
5. Step 5: Solve for x
   x = 27,882,624,160,000/2,436,810
6. Step 6: Final answer
   x = 11,442,264.34