Finding the Third Proportional to 12,948 and 18,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948 : 18,996.50 = 18,996.50 : x
2. Step 2: Convert to fraction form
   12,948/18,996.50 = 18,996.50/x
3. Step 3: Cross multiply
   12,948x = 18,996.50 × 18,996.50
4. Step 4: Simplify right side
   12,948x = 360,867,012.25
5. Step 5: Solve for x
   x = 360,867,012.25/12,948
6. Step 6: Final answer
   x = 27,870.48