Finding the Third Proportional to 23,870 and 30,724

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870 : 30,724 = 30,724 : x
2. Step 2: Convert to fraction form
   23,870/30,724 = 30,724/x
3. Step 3: Cross multiply
   23,870x = 30,724 × 30,724
4. Step 4: Simplify right side
   23,870x = 943,964,176
5. Step 5: Solve for x
   x = 943,964,176/23,870
6. Step 6: Final answer
   x = 39,546.05