Finding the Third Proportional to 11,842.88 and 18,338.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,842.88 : 18,338.06 = 18,338.06 : x
2. Step 2: Convert to fraction form
   11,842.88/18,338.06 = 18,338.06/x
3. Step 3: Cross multiply
   11,842.88x = 18,338.06 × 18,338.06
4. Step 4: Simplify right side
   11,842.88x = 336,284,536.25
5. Step 5: Solve for x
   x = 336,284,536.25/11,842.88
6. Step 6: Final answer
   x = 28,395.52