Finding the Third Proportional to 20,212.50 and 27,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,212.50 : 27,190.50 = 27,190.50 : x
2. Step 2: Convert to fraction form
   20,212.50/27,190.50 = 27,190.50/x
3. Step 3: Cross multiply
   20,212.50x = 27,190.50 × 27,190.50
4. Step 4: Simplify right side
   20,212.50x = 739,323,290.25
5. Step 5: Solve for x
   x = 739,323,290.25/20,212.50
6. Step 6: Final answer
   x = 36,577.53