Finding the Third Proportional to 10,004 and 21,148

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004 : 21,148 = 21,148 : x
2. Step 2: Convert to fraction form
   10,004/21,148 = 21,148/x
3. Step 3: Cross multiply
   10,004x = 21,148 × 21,148
4. Step 4: Simplify right side
   10,004x = 447,237,904
5. Step 5: Solve for x
   x = 447,237,904/10,004
6. Step 6: Final answer
   x = 44,705.91