Finding the Third Proportional to 15,343.17 and 21,733.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,343.17 : 21,733.31 = 21,733.31 : x
2. Step 2: Convert to fraction form
   15,343.17/21,733.31 = 21,733.31/x
3. Step 3: Cross multiply
   15,343.17x = 21,733.31 × 21,733.31
4. Step 4: Simplify right side
   15,343.17x = 472,336,872.22
5. Step 5: Solve for x
   x = 472,336,872.22/15,343.17
6. Step 6: Final answer
   x = 30,784.83