Finding the Third Proportional to 6,991.31 and 16,714.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,991.31 : 16,714.69 = 16,714.69 : x
2. Step 2: Convert to fraction form
   6,991.31/16,714.69 = 16,714.69/x
3. Step 3: Cross multiply
   6,991.31x = 16,714.69 × 16,714.69
4. Step 4: Simplify right side
   6,991.31x = 279,380,778.22
5. Step 5: Solve for x
   x = 279,380,778.22/6,991.31
6. Step 6: Final answer
   x = 39,961.13