Finding the Third Proportional to 21,357.42 and 44,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,357.42 : 44,081.72 = 44,081.72 : x
2. Step 2: Convert to fraction form
   21,357.42/44,081.72 = 44,081.72/x
3. Step 3: Cross multiply
   21,357.42x = 44,081.72 × 44,081.72
4. Step 4: Simplify right side
   21,357.42x = 1,943,197,927.95
5. Step 5: Solve for x
   x = 1,943,197,927.95/21,357.42
6. Step 6: Final answer
   x = 90,984.67