Finding the Third Proportional to 9,984 and 21,888

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984 : 21,888 = 21,888 : x
2. Step 2: Convert to fraction form
   9,984/21,888 = 21,888/x
3. Step 3: Cross multiply
   9,984x = 21,888 × 21,888
4. Step 4: Simplify right side
   9,984x = 479,084,544
5. Step 5: Solve for x
   x = 479,084,544/9,984
6. Step 6: Final answer
   x = 47,985.23