Finding the Third Proportional to 20,181.25 and 31,498.13

Step by Step Solution

1. Step 1: Write the proportion equation
   20,181.25 : 31,498.13 = 31,498.13 : x
2. Step 2: Convert to fraction form
   20,181.25/31,498.13 = 31,498.13/x
3. Step 3: Cross multiply
   20,181.25x = 31,498.13 × 31,498.13
4. Step 4: Simplify right side
   20,181.25x = 992,131,878.52
5. Step 5: Solve for x
   x = 992,131,878.52/20,181.25
6. Step 6: Final answer
   x = 49,161.07