Finding the Third Proportional to 2,556,942.19 and 5,681,399.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,942.19 : 5,681,399.06 = 5,681,399.06 : x
2. Step 2: Convert to fraction form
   2,556,942.19/5,681,399.06 = 5,681,399.06/x
3. Step 3: Cross multiply
   2,556,942.19x = 5,681,399.06 × 5,681,399.06
4. Step 4: Simplify right side
   2,556,942.19x = 32,278,295,307,375.88
5. Step 5: Solve for x
   x = 32,278,295,307,375.88/2,556,942.19
6. Step 6: Final answer
   x = 12,623,787.69