Finding the Third Proportional to 9,148.50 and 21,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.50 : 21,179.25 = 21,179.25 : x
2. Step 2: Convert to fraction form
   9,148.50/21,179.25 = 21,179.25/x
3. Step 3: Cross multiply
   9,148.50x = 21,179.25 × 21,179.25
4. Step 4: Simplify right side
   9,148.50x = 448,560,630.56
5. Step 5: Solve for x
   x = 448,560,630.56/9,148.50
6. Step 6: Final answer
   x = 49,031.06