Finding the Third Proportional to 12,011.63 and 19,188.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,011.63 : 19,188.56 = 19,188.56 : x
2. Step 2: Convert to fraction form
   12,011.63/19,188.56 = 19,188.56/x
3. Step 3: Cross multiply
   12,011.63x = 19,188.56 × 19,188.56
4. Step 4: Simplify right side
   12,011.63x = 368,200,930.82
5. Step 5: Solve for x
   x = 368,200,930.82/12,011.63
6. Step 6: Final answer
   x = 30,653.72