Finding the Third Proportional to 5,581,553 and 12,018,238

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581,553 : 12,018,238 = 12,018,238 : x
2. Step 2: Convert to fraction form
   5,581,553/12,018,238 = 12,018,238/x
3. Step 3: Cross multiply
   5,581,553x = 12,018,238 × 12,018,238
4. Step 4: Simplify right side
   5,581,553x = 144,438,044,624,644
5. Step 5: Solve for x
   x = 144,438,044,624,644/5,581,553
6. Step 6: Final answer
   x = 25,877,752.06