Finding the Third Proportional to 19,719 and 28,845

Step by Step Solution

1. Step 1: Write the proportion equation
   19,719 : 28,845 = 28,845 : x
2. Step 2: Convert to fraction form
   19,719/28,845 = 28,845/x
3. Step 3: Cross multiply
   19,719x = 28,845 × 28,845
4. Step 4: Simplify right side
   19,719x = 832,034,025
5. Step 5: Solve for x
   x = 832,034,025/19,719
6. Step 6: Final answer
   x = 42,194.53