Finding the Third Proportional to 6,780.94 and 10,787.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.94 : 10,787.06 = 10,787.06 : x
2. Step 2: Convert to fraction form
   6,780.94/10,787.06 = 10,787.06/x
3. Step 3: Cross multiply
   6,780.94x = 10,787.06 × 10,787.06
4. Step 4: Simplify right side
   6,780.94x = 116,360,717.38
5. Step 5: Solve for x
   x = 116,360,717.38/6,780.94
6. Step 6: Final answer
   x = 17,159.97