Finding the Third Proportional to 12,991.50 and 17,552.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,991.50 : 17,552.25 = 17,552.25 : x
2. Step 2: Convert to fraction form
   12,991.50/17,552.25 = 17,552.25/x
3. Step 3: Cross multiply
   12,991.50x = 17,552.25 × 17,552.25
4. Step 4: Simplify right side
   12,991.50x = 308,081,480.06
5. Step 5: Solve for x
   x = 308,081,480.06/12,991.50
6. Step 6: Final answer
   x = 23,714.08