Finding the Third Proportional to 15,099 and 21,748

Step by Step Solution

1. Step 1: Write the proportion equation
   15,099 : 21,748 = 21,748 : x
2. Step 2: Convert to fraction form
   15,099/21,748 = 21,748/x
3. Step 3: Cross multiply
   15,099x = 21,748 × 21,748
4. Step 4: Simplify right side
   15,099x = 472,975,504
5. Step 5: Solve for x
   x = 472,975,504/15,099
6. Step 6: Final answer
   x = 31,324.96