Finding the Third Proportional to 19,822 and 28,490

Step by Step Solution

1. Step 1: Write the proportion equation
   19,822 : 28,490 = 28,490 : x
2. Step 2: Convert to fraction form
   19,822/28,490 = 28,490/x
3. Step 3: Cross multiply
   19,822x = 28,490 × 28,490
4. Step 4: Simplify right side
   19,822x = 811,680,100
5. Step 5: Solve for x
   x = 811,680,100/19,822
6. Step 6: Final answer
   x = 40,948.45