Finding the Third Proportional to 10,488 and 13,972

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488 : 13,972 = 13,972 : x
2. Step 2: Convert to fraction form
   10,488/13,972 = 13,972/x
3. Step 3: Cross multiply
   10,488x = 13,972 × 13,972
4. Step 4: Simplify right side
   10,488x = 195,216,784
5. Step 5: Solve for x
   x = 195,216,784/10,488
6. Step 6: Final answer
   x = 18,613.35