Finding the Third Proportional to 12,240 and 19,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240 : 19,081.50 = 19,081.50 : x
2. Step 2: Convert to fraction form
   12,240/19,081.50 = 19,081.50/x
3. Step 3: Cross multiply
   12,240x = 19,081.50 × 19,081.50
4. Step 4: Simplify right side
   12,240x = 364,103,642.25
5. Step 5: Solve for x
   x = 364,103,642.25/12,240
6. Step 6: Final answer
   x = 29,747.03