Finding the Third Proportional to 13,381 and 21,374

Step by Step Solution

1. Step 1: Write the proportion equation
   13,381 : 21,374 = 21,374 : x
2. Step 2: Convert to fraction form
   13,381/21,374 = 21,374/x
3. Step 3: Cross multiply
   13,381x = 21,374 × 21,374
4. Step 4: Simplify right side
   13,381x = 456,847,876
5. Step 5: Solve for x
   x = 456,847,876/13,381
6. Step 6: Final answer
   x = 34,141.53