Finding the Third Proportional to 9,145.50 and 18,984

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.50 : 18,984 = 18,984 : x
2. Step 2: Convert to fraction form
   9,145.50/18,984 = 18,984/x
3. Step 3: Cross multiply
   9,145.50x = 18,984 × 18,984
4. Step 4: Simplify right side
   9,145.50x = 360,392,256
5. Step 5: Solve for x
   x = 360,392,256/9,145.50
6. Step 6: Final answer
   x = 39,406.51