Finding the Third Proportional to 12,787.88 and 19,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,787.88 : 19,105.88 = 19,105.88 : x
2. Step 2: Convert to fraction form
   12,787.88/19,105.88 = 19,105.88/x
3. Step 3: Cross multiply
   12,787.88x = 19,105.88 × 19,105.88
4. Step 4: Simplify right side
   12,787.88x = 365,034,459.52
5. Step 5: Solve for x
   x = 365,034,459.52/12,787.88
6. Step 6: Final answer
   x = 28,545.36