Finding the Third Proportional to 13,420.69 and 22,659.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,420.69 : 22,659.75 = 22,659.75 : x
2. Step 2: Convert to fraction form
   13,420.69/22,659.75 = 22,659.75/x
3. Step 3: Cross multiply
   13,420.69x = 22,659.75 × 22,659.75
4. Step 4: Simplify right side
   13,420.69x = 513,464,270.06
5. Step 5: Solve for x
   x = 513,464,270.06/13,420.69
6. Step 6: Final answer
   x = 38,259.16