Finding the Third Proportional to 12,982.50 and 20,079

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982.50 : 20,079 = 20,079 : x
2. Step 2: Convert to fraction form
   12,982.50/20,079 = 20,079/x
3. Step 3: Cross multiply
   12,982.50x = 20,079 × 20,079
4. Step 4: Simplify right side
   12,982.50x = 403,166,241
5. Step 5: Solve for x
   x = 403,166,241/12,982.50
6. Step 6: Final answer
   x = 31,054.59