Finding the Third Proportional to 19,527.75 and 39,980.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,527.75 : 39,980.25 = 39,980.25 : x
2. Step 2: Convert to fraction form
   19,527.75/39,980.25 = 39,980.25/x
3. Step 3: Cross multiply
   19,527.75x = 39,980.25 × 39,980.25
4. Step 4: Simplify right side
   19,527.75x = 1,598,420,390.06
5. Step 5: Solve for x
   x = 1,598,420,390.06/19,527.75
6. Step 6: Final answer
   x = 81,853.79