Finding the Third Proportional to 12,124.69 and 17,787.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.69 : 17,787.94 = 17,787.94 : x
2. Step 2: Convert to fraction form
   12,124.69/17,787.94 = 17,787.94/x
3. Step 3: Cross multiply
   12,124.69x = 17,787.94 × 17,787.94
4. Step 4: Simplify right side
   12,124.69x = 316,410,720.50
5. Step 5: Solve for x
   x = 316,410,720.50/12,124.69
6. Step 6: Final answer
   x = 26,096.40