Finding the Third Proportional to 10,087.50 and 14,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.50 : 14,821.50 = 14,821.50 : x
2. Step 2: Convert to fraction form
   10,087.50/14,821.50 = 14,821.50/x
3. Step 3: Cross multiply
   10,087.50x = 14,821.50 × 14,821.50
4. Step 4: Simplify right side
   10,087.50x = 219,676,862.25
5. Step 5: Solve for x
   x = 219,676,862.25/10,087.50
6. Step 6: Final answer
   x = 21,777.14