Finding the Third Proportional to 13,415.50 and 21,274

Step by Step Solution

1. Step 1: Write the proportion equation
   13,415.50 : 21,274 = 21,274 : x
2. Step 2: Convert to fraction form
   13,415.50/21,274 = 21,274/x
3. Step 3: Cross multiply
   13,415.50x = 21,274 × 21,274
4. Step 4: Simplify right side
   13,415.50x = 452,583,076
5. Step 5: Solve for x
   x = 452,583,076/13,415.50
6. Step 6: Final answer
   x = 33,735.83