Finding the Third Proportional to 8,846 and 21,386

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846 : 21,386 = 21,386 : x
2. Step 2: Convert to fraction form
   8,846/21,386 = 21,386/x
3. Step 3: Cross multiply
   8,846x = 21,386 × 21,386
4. Step 4: Simplify right side
   8,846x = 457,360,996
5. Step 5: Solve for x
   x = 457,360,996/8,846
6. Step 6: Final answer
   x = 51,702.58