Finding the Third Proportional to 8,045.25 and 12,432.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.25 : 12,432.75 = 12,432.75 : x
2. Step 2: Convert to fraction form
   8,045.25/12,432.75 = 12,432.75/x
3. Step 3: Cross multiply
   8,045.25x = 12,432.75 × 12,432.75
4. Step 4: Simplify right side
   8,045.25x = 154,573,272.56
5. Step 5: Solve for x
   x = 154,573,272.56/8,045.25
6. Step 6: Final answer
   x = 19,212.99