Finding the Third Proportional to 19,260 and 28,758

Step by Step Solution

1. Step 1: Write the proportion equation
   19,260 : 28,758 = 28,758 : x
2. Step 2: Convert to fraction form
   19,260/28,758 = 28,758/x
3. Step 3: Cross multiply
   19,260x = 28,758 × 28,758
4. Step 4: Simplify right side
   19,260x = 827,022,564
5. Step 5: Solve for x
   x = 827,022,564/19,260
6. Step 6: Final answer
   x = 42,939.90