Finding the Third Proportional to 19,875 and 30,819

Step by Step Solution

1. Step 1: Write the proportion equation
   19,875 : 30,819 = 30,819 : x
2. Step 2: Convert to fraction form
   19,875/30,819 = 30,819/x
3. Step 3: Cross multiply
   19,875x = 30,819 × 30,819
4. Step 4: Simplify right side
   19,875x = 949,810,761
5. Step 5: Solve for x
   x = 949,810,761/19,875
6. Step 6: Final answer
   x = 47,789.22