Finding the Third Proportional to 10,302.50 and 14,718.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,302.50 : 14,718.75 = 14,718.75 : x
2. Step 2: Convert to fraction form
   10,302.50/14,718.75 = 14,718.75/x
3. Step 3: Cross multiply
   10,302.50x = 14,718.75 × 14,718.75
4. Step 4: Simplify right side
   10,302.50x = 216,641,601.56
5. Step 5: Solve for x
   x = 216,641,601.56/10,302.50
6. Step 6: Final answer
   x = 21,028.06