Finding the Third Proportional to 13,748 and 21,310

Step by Step Solution

1. Step 1: Write the proportion equation
   13,748 : 21,310 = 21,310 : x
2. Step 2: Convert to fraction form
   13,748/21,310 = 21,310/x
3. Step 3: Cross multiply
   13,748x = 21,310 × 21,310
4. Step 4: Simplify right side
   13,748x = 454,116,100
5. Step 5: Solve for x
   x = 454,116,100/13,748
6. Step 6: Final answer
   x = 33,031.43