Finding the Third Proportional to 5,560 and 10,940

Step by Step Solution

1. Step 1: Write the proportion equation
   5,560 : 10,940 = 10,940 : x
2. Step 2: Convert to fraction form
   5,560/10,940 = 10,940/x
3. Step 3: Cross multiply
   5,560x = 10,940 × 10,940
4. Step 4: Simplify right side
   5,560x = 119,683,600
5. Step 5: Solve for x
   x = 119,683,600/5,560
6. Step 6: Final answer
   x = 21,525.83