Finding the Third Proportional to 12,132 and 19,236

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132 : 19,236 = 19,236 : x
2. Step 2: Convert to fraction form
   12,132/19,236 = 19,236/x
3. Step 3: Cross multiply
   12,132x = 19,236 × 19,236
4. Step 4: Simplify right side
   12,132x = 370,023,696
5. Step 5: Solve for x
   x = 370,023,696/12,132
6. Step 6: Final answer
   x = 30,499.81