Finding the Third Proportional to 9,342.94 and 12,586.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.94 : 12,586.88 = 12,586.88 : x
2. Step 2: Convert to fraction form
   9,342.94/12,586.88 = 12,586.88/x
3. Step 3: Cross multiply
   9,342.94x = 12,586.88 × 12,586.88
4. Step 4: Simplify right side
   9,342.94x = 158,429,422.27
5. Step 5: Solve for x
   x = 158,429,422.27/9,342.94
6. Step 6: Final answer
   x = 16,957.13