Finding the Third Proportional to 19,499 and 28,521

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499 : 28,521 = 28,521 : x
2. Step 2: Convert to fraction form
   19,499/28,521 = 28,521/x
3. Step 3: Cross multiply
   19,499x = 28,521 × 28,521
4. Step 4: Simplify right side
   19,499x = 813,447,441
5. Step 5: Solve for x
   x = 813,447,441/19,499
6. Step 6: Final answer
   x = 41,717.39