Finding the Third Proportional to 9,913.50 and 21,483

Step by Step Solution

1. Step 1: Write the proportion equation
   9,913.50 : 21,483 = 21,483 : x
2. Step 2: Convert to fraction form
   9,913.50/21,483 = 21,483/x
3. Step 3: Cross multiply
   9,913.50x = 21,483 × 21,483
4. Step 4: Simplify right side
   9,913.50x = 461,519,289
5. Step 5: Solve for x
   x = 461,519,289/9,913.50
6. Step 6: Final answer
   x = 46,554.63