Finding the Third Proportional to 13,131 and 17,690.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131 : 17,690.06 = 17,690.06 : x
2. Step 2: Convert to fraction form
   13,131/17,690.06 = 17,690.06/x
3. Step 3: Cross multiply
   13,131x = 17,690.06 × 17,690.06
4. Step 4: Simplify right side
   13,131x = 312,938,311.25
5. Step 5: Solve for x
   x = 312,938,311.25/13,131
6. Step 6: Final answer
   x = 23,832.02