Finding the Third Proportional to 13,510.69 and 21,583.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,510.69 : 21,583.69 = 21,583.69 : x
2. Step 2: Convert to fraction form
   13,510.69/21,583.69 = 21,583.69/x
3. Step 3: Cross multiply
   13,510.69x = 21,583.69 × 21,583.69
4. Step 4: Simplify right side
   13,510.69x = 465,855,566.10
5. Step 5: Solve for x
   x = 465,855,566.10/13,510.69
6. Step 6: Final answer
   x = 34,480.52