Finding the Third Proportional to 12,357.84 and 19,151.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.84 : 19,151.16 = 19,151.16 : x
2. Step 2: Convert to fraction form
   12,357.84/19,151.16 = 19,151.16/x
3. Step 3: Cross multiply
   12,357.84x = 19,151.16 × 19,151.16
4. Step 4: Simplify right side
   12,357.84x = 366,766,785.71
5. Step 5: Solve for x
   x = 366,766,785.71/12,357.84
6. Step 6: Final answer
   x = 29,678.87