Finding the Third Proportional to 13,339 and 30,877

Step by Step Solution

1. Step 1: Write the proportion equation
   13,339 : 30,877 = 30,877 : x
2. Step 2: Convert to fraction form
   13,339/30,877 = 30,877/x
3. Step 3: Cross multiply
   13,339x = 30,877 × 30,877
4. Step 4: Simplify right side
   13,339x = 953,389,129
5. Step 5: Solve for x
   x = 953,389,129/13,339
6. Step 6: Final answer
   x = 71,473.81