Finding the Third Proportional to 12,087 and 19,103

Step by Step Solution

1. Step 1: Write the proportion equation
   12,087 : 19,103 = 19,103 : x
2. Step 2: Convert to fraction form
   12,087/19,103 = 19,103/x
3. Step 3: Cross multiply
   12,087x = 19,103 × 19,103
4. Step 4: Simplify right side
   12,087x = 364,924,609
5. Step 5: Solve for x
   x = 364,924,609/12,087
6. Step 6: Final answer
   x = 30,191.50