Finding the Third Proportional to 11,129.63 and 23,987.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,129.63 : 23,987.25 = 23,987.25 : x
2. Step 2: Convert to fraction form
   11,129.63/23,987.25 = 23,987.25/x
3. Step 3: Cross multiply
   11,129.63x = 23,987.25 × 23,987.25
4. Step 4: Simplify right side
   11,129.63x = 575,388,162.56
5. Step 5: Solve for x
   x = 575,388,162.56/11,129.63
6. Step 6: Final answer
   x = 51,698.79