Finding the Third Proportional to 6,418.88 and 13,886.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,418.88 : 13,886.25 = 13,886.25 : x
2. Step 2: Convert to fraction form
   6,418.88/13,886.25 = 13,886.25/x
3. Step 3: Cross multiply
   6,418.88x = 13,886.25 × 13,886.25
4. Step 4: Simplify right side
   6,418.88x = 192,827,939.06
5. Step 5: Solve for x
   x = 192,827,939.06/6,418.88
6. Step 6: Final answer
   x = 30,040.77