Finding the Third Proportional to 12,922.50 and 18,630.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.50 : 18,630.75 = 18,630.75 : x
2. Step 2: Convert to fraction form
   12,922.50/18,630.75 = 18,630.75/x
3. Step 3: Cross multiply
   12,922.50x = 18,630.75 × 18,630.75
4. Step 4: Simplify right side
   12,922.50x = 347,104,845.56
5. Step 5: Solve for x
   x = 347,104,845.56/12,922.50
6. Step 6: Final answer
   x = 26,860.50