Finding the Third Proportional to 5,929.31 and 12,729.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,929.31 : 12,729.94 = 12,729.94 : x
2. Step 2: Convert to fraction form
   5,929.31/12,729.94 = 12,729.94/x
3. Step 3: Cross multiply
   5,929.31x = 12,729.94 × 12,729.94
4. Step 4: Simplify right side
   5,929.31x = 162,051,308.75
5. Step 5: Solve for x
   x = 162,051,308.75/5,929.31
6. Step 6: Final answer
   x = 27,330.54