Finding the Third Proportional to 19,821 and 30,359.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,821 : 30,359.25 = 30,359.25 : x
2. Step 2: Convert to fraction form
   19,821/30,359.25 = 30,359.25/x
3. Step 3: Cross multiply
   19,821x = 30,359.25 × 30,359.25
4. Step 4: Simplify right side
   19,821x = 921,684,060.56
5. Step 5: Solve for x
   x = 921,684,060.56/19,821
6. Step 6: Final answer
   x = 46,500.38