Finding the Third Proportional to 11,980,257 and 17,131,906.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980,257 : 17,131,906.88 = 17,131,906.88 : x
2. Step 2: Convert to fraction form
   11,980,257/17,131,906.88 = 17,131,906.88/x
3. Step 3: Cross multiply
   11,980,257x = 17,131,906.88 × 17,131,906.88
4. Step 4: Simplify right side
   11,980,257x = 293,502,233,173,672.25
5. Step 5: Solve for x
   x = 293,502,233,173,672.25/11,980,257
6. Step 6: Final answer
   x = 24,498,826.12