Finding the Third Proportional to 2,640,524 and 5,775,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,524 : 5,775,640 = 5,775,640 : x
2. Step 2: Convert to fraction form
   2,640,524/5,775,640 = 5,775,640/x
3. Step 3: Cross multiply
   2,640,524x = 5,775,640 × 5,775,640
4. Step 4: Simplify right side
   2,640,524x = 33,358,017,409,600
5. Step 5: Solve for x
   x = 33,358,017,409,600/2,640,524
6. Step 6: Final answer
   x = 12,633,105.18