Finding the Third Proportional to 2,556,800 and 5,681,152

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,800 : 5,681,152 = 5,681,152 : x
2. Step 2: Convert to fraction form
   2,556,800/5,681,152 = 5,681,152/x
3. Step 3: Cross multiply
   2,556,800x = 5,681,152 × 5,681,152
4. Step 4: Simplify right side
   2,556,800x = 32,275,488,047,104
5. Step 5: Solve for x
   x = 32,275,488,047,104/2,556,800
6. Step 6: Final answer
   x = 12,623,391.76