Finding the Third Proportional to 10,443.75 and 15,089.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.75 : 15,089.63 = 15,089.63 : x
2. Step 2: Convert to fraction form
   10,443.75/15,089.63 = 15,089.63/x
3. Step 3: Cross multiply
   10,443.75x = 15,089.63 × 15,089.63
4. Step 4: Simplify right side
   10,443.75x = 227,696,782.64
5. Step 5: Solve for x
   x = 227,696,782.64/10,443.75
6. Step 6: Final answer
   x = 21,802.21