Finding the Third Proportional to 11,921,256 and 18,885,014

Step by Step Solution

1. Step 1: Write the proportion equation
   11,921,256 : 18,885,014 = 18,885,014 : x
2. Step 2: Convert to fraction form
   11,921,256/18,885,014 = 18,885,014/x
3. Step 3: Cross multiply
   11,921,256x = 18,885,014 × 18,885,014
4. Step 4: Simplify right side
   11,921,256x = 356,643,753,780,196
5. Step 5: Solve for x
   x = 356,643,753,780,196/11,921,256
6. Step 6: Final answer
   x = 29,916,625.71