Finding the Third Proportional to 6,748.31 and 10,557.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,748.31 : 10,557.84 = 10,557.84 : x
2. Step 2: Convert to fraction form
   6,748.31/10,557.84 = 10,557.84/x
3. Step 3: Cross multiply
   6,748.31x = 10,557.84 × 10,557.84
4. Step 4: Simplify right side
   6,748.31x = 111,468,064.65
5. Step 5: Solve for x
   x = 111,468,064.65/6,748.31
6. Step 6: Final answer
   x = 16,517.92