Finding the Third Proportional to 5,581,556 and 12,018,244

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581,556 : 12,018,244 = 12,018,244 : x
2. Step 2: Convert to fraction form
   5,581,556/12,018,244 = 12,018,244/x
3. Step 3: Cross multiply
   5,581,556x = 12,018,244 × 12,018,244
4. Step 4: Simplify right side
   5,581,556x = 144,438,188,843,536
5. Step 5: Solve for x
   x = 144,438,188,843,536/5,581,556
6. Step 6: Final answer
   x = 25,877,763.99