Finding the Third Proportional to 19,387.50 and 28,959.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,387.50 : 28,959.75 = 28,959.75 : x
2. Step 2: Convert to fraction form
   19,387.50/28,959.75 = 28,959.75/x
3. Step 3: Cross multiply
   19,387.50x = 28,959.75 × 28,959.75
4. Step 4: Simplify right side
   19,387.50x = 838,667,120.06
5. Step 5: Solve for x
   x = 838,667,120.06/19,387.50
6. Step 6: Final answer
   x = 43,258.14