Finding the Third Proportional to 2,487,360 and 5,273,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,360 : 5,273,640 = 5,273,640 : x
2. Step 2: Convert to fraction form
   2,487,360/5,273,640 = 5,273,640/x
3. Step 3: Cross multiply
   2,487,360x = 5,273,640 × 5,273,640
4. Step 4: Simplify right side
   2,487,360x = 27,811,278,849,600
5. Step 5: Solve for x
   x = 27,811,278,849,600/2,487,360
6. Step 6: Final answer
   x = 11,181,042.89