Finding the Third Proportional to 21,310 and 33,360

Step by Step Solution

1. Step 1: Write the proportion equation
   21,310 : 33,360 = 33,360 : x
2. Step 2: Convert to fraction form
   21,310/33,360 = 33,360/x
3. Step 3: Cross multiply
   21,310x = 33,360 × 33,360
4. Step 4: Simplify right side
   21,310x = 1,112,889,600
5. Step 5: Solve for x
   x = 1,112,889,600/21,310
6. Step 6: Final answer
   x = 52,223.82