Finding the Third Proportional to 12,613 and 18,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613 : 18,445.50 = 18,445.50 : x
2. Step 2: Convert to fraction form
   12,613/18,445.50 = 18,445.50/x
3. Step 3: Cross multiply
   12,613x = 18,445.50 × 18,445.50
4. Step 4: Simplify right side
   12,613x = 340,236,470.25
5. Step 5: Solve for x
   x = 340,236,470.25/12,613
6. Step 6: Final answer
   x = 26,975.06