Finding the Third Proportional to 2,180,640 and 5,093,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,640 : 5,093,580 = 5,093,580 : x
2. Step 2: Convert to fraction form
   2,180,640/5,093,580 = 5,093,580/x
3. Step 3: Cross multiply
   2,180,640x = 5,093,580 × 5,093,580
4. Step 4: Simplify right side
   2,180,640x = 25,944,557,216,400
5. Step 5: Solve for x
   x = 25,944,557,216,400/2,180,640
6. Step 6: Final answer
   x = 11,897,680.14