Finding the Third Proportional to 20,840.50 and 27,372.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,840.50 : 27,372.50 = 27,372.50 : x
2. Step 2: Convert to fraction form
   20,840.50/27,372.50 = 27,372.50/x
3. Step 3: Cross multiply
   20,840.50x = 27,372.50 × 27,372.50
4. Step 4: Simplify right side
   20,840.50x = 749,253,756.25
5. Step 5: Solve for x
   x = 749,253,756.25/20,840.50
6. Step 6: Final answer
   x = 35,951.81