Finding the Third Proportional to 12,082.50 and 15,918.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,082.50 : 15,918.75 = 15,918.75 : x
2. Step 2: Convert to fraction form
   12,082.50/15,918.75 = 15,918.75/x
3. Step 3: Cross multiply
   12,082.50x = 15,918.75 × 15,918.75
4. Step 4: Simplify right side
   12,082.50x = 253,406,601.56
5. Step 5: Solve for x
   x = 253,406,601.56/12,082.50
6. Step 6: Final answer
   x = 20,973.03