Finding the Third Proportional to 10,590.75 and 20,915.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,590.75 : 20,915.72 = 20,915.72 : x
2. Step 2: Convert to fraction form
   10,590.75/20,915.72 = 20,915.72/x
3. Step 3: Cross multiply
   10,590.75x = 20,915.72 × 20,915.72
4. Step 4: Simplify right side
   10,590.75x = 437,467,290.83
5. Step 5: Solve for x
   x = 437,467,290.83/10,590.75
6. Step 6: Final answer
   x = 41,306.54