Finding the Third Proportional to 9,368 and 21,688

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368 : 21,688 = 21,688 : x
2. Step 2: Convert to fraction form
   9,368/21,688 = 21,688/x
3. Step 3: Cross multiply
   9,368x = 21,688 × 21,688
4. Step 4: Simplify right side
   9,368x = 470,369,344
5. Step 5: Solve for x
   x = 470,369,344/9,368
6. Step 6: Final answer
   x = 50,210.22