Finding the Third Proportional to 9,315 and 19,089

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315 : 19,089 = 19,089 : x
2. Step 2: Convert to fraction form
   9,315/19,089 = 19,089/x
3. Step 3: Cross multiply
   9,315x = 19,089 × 19,089
4. Step 4: Simplify right side
   9,315x = 364,389,921
5. Step 5: Solve for x
   x = 364,389,921/9,315
6. Step 6: Final answer
   x = 39,118.62