Finding the Third Proportional to 20,215.88 and 43,590.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,215.88 : 43,590.38 = 43,590.38 : x
2. Step 2: Convert to fraction form
   20,215.88/43,590.38 = 43,590.38/x
3. Step 3: Cross multiply
   20,215.88x = 43,590.38 × 43,590.38
4. Step 4: Simplify right side
   20,215.88x = 1,900,120,792.64
5. Step 5: Solve for x
   x = 1,900,120,792.64/20,215.88
6. Step 6: Final answer
   x = 93,991.52