Finding the Third Proportional to 19,279.50 and 28,758.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,279.50 : 28,758.75 = 28,758.75 : x
2. Step 2: Convert to fraction form
   19,279.50/28,758.75 = 28,758.75/x
3. Step 3: Cross multiply
   19,279.50x = 28,758.75 × 28,758.75
4. Step 4: Simplify right side
   19,279.50x = 827,065,701.56
5. Step 5: Solve for x
   x = 827,065,701.56/19,279.50
6. Step 6: Final answer
   x = 42,898.71