Finding the Third Proportional to 9,916 and 21,368

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916 : 21,368 = 21,368 : x
2. Step 2: Convert to fraction form
   9,916/21,368 = 21,368/x
3. Step 3: Cross multiply
   9,916x = 21,368 × 21,368
4. Step 4: Simplify right side
   9,916x = 456,591,424
5. Step 5: Solve for x
   x = 456,591,424/9,916
6. Step 6: Final answer
   x = 46,045.93