Finding the Third Proportional to 21,190.50 and 41,847.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,190.50 : 41,847.75 = 41,847.75 : x
2. Step 2: Convert to fraction form
   21,190.50/41,847.75 = 41,847.75/x
3. Step 3: Cross multiply
   21,190.50x = 41,847.75 × 41,847.75
4. Step 4: Simplify right side
   21,190.50x = 1,751,234,180.06
5. Step 5: Solve for x
   x = 1,751,234,180.06/21,190.50
6. Step 6: Final answer
   x = 82,642.42