Finding the Third Proportional to 14,872.50 and 20,891.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,872.50 : 20,891.25 = 20,891.25 : x
2. Step 2: Convert to fraction form
   14,872.50/20,891.25 = 20,891.25/x
3. Step 3: Cross multiply
   14,872.50x = 20,891.25 × 20,891.25
4. Step 4: Simplify right side
   14,872.50x = 436,444,326.56
5. Step 5: Solve for x
   x = 436,444,326.56/14,872.50
6. Step 6: Final answer
   x = 29,345.73