Finding the Third Proportional to 12,127.50 and 18,732

Step by Step Solution

1. Step 1: Write the proportion equation
   12,127.50 : 18,732 = 18,732 : x
2. Step 2: Convert to fraction form
   12,127.50/18,732 = 18,732/x
3. Step 3: Cross multiply
   12,127.50x = 18,732 × 18,732
4. Step 4: Simplify right side
   12,127.50x = 350,887,824
5. Step 5: Solve for x
   x = 350,887,824/12,127.50
6. Step 6: Final answer
   x = 28,933.24