Finding the Third Proportional to 19,932 and 30,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,932 : 30,870 = 30,870 : x
2. Step 2: Convert to fraction form
   19,932/30,870 = 30,870/x
3. Step 3: Cross multiply
   19,932x = 30,870 × 30,870
4. Step 4: Simplify right side
   19,932x = 952,956,900
5. Step 5: Solve for x
   x = 952,956,900/19,932
6. Step 6: Final answer
   x = 47,810.40