Finding the Third Proportional to 13,940 and 30,472

Step by Step Solution

1. Step 1: Write the proportion equation
   13,940 : 30,472 = 30,472 : x
2. Step 2: Convert to fraction form
   13,940/30,472 = 30,472/x
3. Step 3: Cross multiply
   13,940x = 30,472 × 30,472
4. Step 4: Simplify right side
   13,940x = 928,542,784
5. Step 5: Solve for x
   x = 928,542,784/13,940
6. Step 6: Final answer
   x = 66,609.96