Finding the Third Proportional to 12,980 and 28,472

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980 : 28,472 = 28,472 : x
2. Step 2: Convert to fraction form
   12,980/28,472 = 28,472/x
3. Step 3: Cross multiply
   12,980x = 28,472 × 28,472
4. Step 4: Simplify right side
   12,980x = 810,654,784
5. Step 5: Solve for x
   x = 810,654,784/12,980
6. Step 6: Final answer
   x = 62,454.14