Finding the Third Proportional to 2,559,264 and 5,600,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,264 : 5,600,640 = 5,600,640 : x
2. Step 2: Convert to fraction form
   2,559,264/5,600,640 = 5,600,640/x
3. Step 3: Cross multiply
   2,559,264x = 5,600,640 × 5,600,640
4. Step 4: Simplify right side
   2,559,264x = 31,367,168,409,600
5. Step 5: Solve for x
   x = 31,367,168,409,600/2,559,264
6. Step 6: Final answer
   x = 12,256,323.85