Finding the Third Proportional to 13,188 and 17,770

Step by Step Solution

1. Step 1: Write the proportion equation
   13,188 : 17,770 = 17,770 : x
2. Step 2: Convert to fraction form
   13,188/17,770 = 17,770/x
3. Step 3: Cross multiply
   13,188x = 17,770 × 17,770
4. Step 4: Simplify right side
   13,188x = 315,772,900
5. Step 5: Solve for x
   x = 315,772,900/13,188
6. Step 6: Final answer
   x = 23,943.96