Finding the Third Proportional to 12,056 and 19,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056 : 19,178.50 = 19,178.50 : x
2. Step 2: Convert to fraction form
   12,056/19,178.50 = 19,178.50/x
3. Step 3: Cross multiply
   12,056x = 19,178.50 × 19,178.50
4. Step 4: Simplify right side
   12,056x = 367,814,862.25
5. Step 5: Solve for x
   x = 367,814,862.25/12,056
6. Step 6: Final answer
   x = 30,508.86