Finding the Third Proportional to 13,330 and 30,859

Step by Step Solution

1. Step 1: Write the proportion equation
   13,330 : 30,859 = 30,859 : x
2. Step 2: Convert to fraction form
   13,330/30,859 = 30,859/x
3. Step 3: Cross multiply
   13,330x = 30,859 × 30,859
4. Step 4: Simplify right side
   13,330x = 952,277,881
5. Step 5: Solve for x
   x = 952,277,881/13,330
6. Step 6: Final answer
   x = 71,438.70