Finding the Third Proportional to 5,042.25 and 10,987.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,042.25 : 10,987.31 = 10,987.31 : x
2. Step 2: Convert to fraction form
   5,042.25/10,987.31 = 10,987.31/x
3. Step 3: Cross multiply
   5,042.25x = 10,987.31 × 10,987.31
4. Step 4: Simplify right side
   5,042.25x = 120,721,035.97
5. Step 5: Solve for x
   x = 120,721,035.97/5,042.25
6. Step 6: Final answer
   x = 23,941.90