Finding the Third Proportional to 9,906 and 23,378

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906 : 23,378 = 23,378 : x
2. Step 2: Convert to fraction form
   9,906/23,378 = 23,378/x
3. Step 3: Cross multiply
   9,906x = 23,378 × 23,378
4. Step 4: Simplify right side
   9,906x = 546,530,884
5. Step 5: Solve for x
   x = 546,530,884/9,906
6. Step 6: Final answer
   x = 55,171.70