Finding the Third Proportional to 2,556,804 and 5,681,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,804 : 5,681,160 = 5,681,160 : x
2. Step 2: Convert to fraction form
   2,556,804/5,681,160 = 5,681,160/x
3. Step 3: Cross multiply
   2,556,804x = 5,681,160 × 5,681,160
4. Step 4: Simplify right side
   2,556,804x = 32,275,578,945,600
5. Step 5: Solve for x
   x = 32,275,578,945,600/2,556,804
6. Step 6: Final answer
   x = 12,623,407.56