Finding the Third Proportional to 2,556,814.50 and 5,681,169

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,814.50 : 5,681,169 = 5,681,169 : x
2. Step 2: Convert to fraction form
   2,556,814.50/5,681,169 = 5,681,169/x
3. Step 3: Cross multiply
   2,556,814.50x = 5,681,169 × 5,681,169
4. Step 4: Simplify right side
   2,556,814.50x = 32,275,681,206,561
5. Step 5: Solve for x
   x = 32,275,681,206,561/2,556,814.50
6. Step 6: Final answer
   x = 12,623,395.72