Finding the Third Proportional to 9,439 and 12,773

Step by Step Solution

1. Step 1: Write the proportion equation
   9,439 : 12,773 = 12,773 : x
2. Step 2: Convert to fraction form
   9,439/12,773 = 12,773/x
3. Step 3: Cross multiply
   9,439x = 12,773 × 12,773
4. Step 4: Simplify right side
   9,439x = 163,149,529
5. Step 5: Solve for x
   x = 163,149,529/9,439
6. Step 6: Final answer
   x = 17,284.62