Finding the Third Proportional to 9,578 and 12,935

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578 : 12,935 = 12,935 : x
2. Step 2: Convert to fraction form
   9,578/12,935 = 12,935/x
3. Step 3: Cross multiply
   9,578x = 12,935 × 12,935
4. Step 4: Simplify right side
   9,578x = 167,314,225
5. Step 5: Solve for x
   x = 167,314,225/9,578
6. Step 6: Final answer
   x = 17,468.60