Finding the Third Proportional to 14,211.50 and 19,878.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,211.50 : 19,878.75 = 19,878.75 : x
2. Step 2: Convert to fraction form
   14,211.50/19,878.75 = 19,878.75/x
3. Step 3: Cross multiply
   14,211.50x = 19,878.75 × 19,878.75
4. Step 4: Simplify right side
   14,211.50x = 395,164,701.56
5. Step 5: Solve for x
   x = 395,164,701.56/14,211.50
6. Step 6: Final answer
   x = 27,805.98