Finding the Third Proportional to 12,061.60 and 19,144.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.60 : 19,144.79 = 19,144.79 : x
2. Step 2: Convert to fraction form
   12,061.60/19,144.79 = 19,144.79/x
3. Step 3: Cross multiply
   12,061.60x = 19,144.79 × 19,144.79
4. Step 4: Simplify right side
   12,061.60x = 366,523,097.82
5. Step 5: Solve for x
   x = 366,523,097.82/12,061.60
6. Step 6: Final answer
   x = 30,387.59