Finding the Third Proportional to 10,720.69 and 15,526.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.69 : 15,526.69 = 15,526.69 : x
2. Step 2: Convert to fraction form
   10,720.69/15,526.69 = 15,526.69/x
3. Step 3: Cross multiply
   10,720.69x = 15,526.69 × 15,526.69
4. Step 4: Simplify right side
   10,720.69x = 241,078,024.72
5. Step 5: Solve for x
   x = 241,078,024.72/10,720.69
6. Step 6: Final answer
   x = 22,487.18