Finding the Third Proportional to 20,587.50 and 27,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,587.50 : 27,958.50 = 27,958.50 : x
2. Step 2: Convert to fraction form
   20,587.50/27,958.50 = 27,958.50/x
3. Step 3: Cross multiply
   20,587.50x = 27,958.50 × 27,958.50
4. Step 4: Simplify right side
   20,587.50x = 781,677,722.25
5. Step 5: Solve for x
   x = 781,677,722.25/20,587.50
6. Step 6: Final answer
   x = 37,968.56