Finding the Third Proportional to 12,908 and 28,424

Step by Step Solution

1. Step 1: Write the proportion equation
   12,908 : 28,424 = 28,424 : x
2. Step 2: Convert to fraction form
   12,908/28,424 = 28,424/x
3. Step 3: Cross multiply
   12,908x = 28,424 × 28,424
4. Step 4: Simplify right side
   12,908x = 807,923,776
5. Step 5: Solve for x
   x = 807,923,776/12,908
6. Step 6: Final answer
   x = 62,590.93