Finding the Third Proportional to 5,581,571 and 12,018,274

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581,571 : 12,018,274 = 12,018,274 : x
2. Step 2: Convert to fraction form
   5,581,571/12,018,274 = 12,018,274/x
3. Step 3: Cross multiply
   5,581,571x = 12,018,274 × 12,018,274
4. Step 4: Simplify right side
   5,581,571x = 144,438,909,939,076
5. Step 5: Solve for x
   x = 144,438,909,939,076/5,581,571
6. Step 6: Final answer
   x = 25,877,823.63