Finding the Third Proportional to 12,625.88 and 18,694.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,625.88 : 18,694.55 = 18,694.55 : x
2. Step 2: Convert to fraction form
   12,625.88/18,694.55 = 18,694.55/x
3. Step 3: Cross multiply
   12,625.88x = 18,694.55 × 18,694.55
4. Step 4: Simplify right side
   12,625.88x = 349,486,082.86
5. Step 5: Solve for x
   x = 349,486,082.86/12,625.88
6. Step 6: Final answer
   x = 27,680.15