Finding the Third Proportional to 13,303.69 and 20,597.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,303.69 : 20,597.63 = 20,597.63 : x
2. Step 2: Convert to fraction form
   13,303.69/20,597.63 = 20,597.63/x
3. Step 3: Cross multiply
   13,303.69x = 20,597.63 × 20,597.63
4. Step 4: Simplify right side
   13,303.69x = 424,262,155.64
5. Step 5: Solve for x
   x = 424,262,155.64/13,303.69
6. Step 6: Final answer
   x = 31,890.57