Finding the Third Proportional to 20,891.25 and 31,514.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,891.25 : 31,514.06 = 31,514.06 : x
2. Step 2: Convert to fraction form
   20,891.25/31,514.06 = 31,514.06/x
3. Step 3: Cross multiply
   20,891.25x = 31,514.06 × 31,514.06
4. Step 4: Simplify right side
   20,891.25x = 993,136,135.25
5. Step 5: Solve for x
   x = 993,136,135.25/20,891.25
6. Step 6: Final answer
   x = 47,538.38