Finding the Third Proportional to 2,493,540 and 5,453,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493,540 : 5,453,640 = 5,453,640 : x
2. Step 2: Convert to fraction form
   2,493,540/5,453,640 = 5,453,640/x
3. Step 3: Cross multiply
   2,493,540x = 5,453,640 × 5,453,640
4. Step 4: Simplify right side
   2,493,540x = 29,742,189,249,600
5. Step 5: Solve for x
   x = 29,742,189,249,600/2,493,540
6. Step 6: Final answer
   x = 11,927,696.87