Finding the Third Proportional to 11,821,950 and 25,467,606

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821,950 : 25,467,606 = 25,467,606 : x
2. Step 2: Convert to fraction form
   11,821,950/25,467,606 = 25,467,606/x
3. Step 3: Cross multiply
   11,821,950x = 25,467,606 × 25,467,606
4. Step 4: Simplify right side
   11,821,950x = 648,598,955,371,236
5. Step 5: Solve for x
   x = 648,598,955,371,236/11,821,950
6. Step 6: Final answer
   x = 54,863,956.91