Finding the Third Proportional to 12,579.75 and 19,750.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,579.75 : 19,750.50 = 19,750.50 : x
2. Step 2: Convert to fraction form
   12,579.75/19,750.50 = 19,750.50/x
3. Step 3: Cross multiply
   12,579.75x = 19,750.50 × 19,750.50
4. Step 4: Simplify right side
   12,579.75x = 390,082,250.25
5. Step 5: Solve for x
   x = 390,082,250.25/12,579.75
6. Step 6: Final answer
   x = 31,008.74