Finding the Third Proportional to 19,784 and 30,405

Step by Step Solution

1. Step 1: Write the proportion equation
   19,784 : 30,405 = 30,405 : x
2. Step 2: Convert to fraction form
   19,784/30,405 = 30,405/x
3. Step 3: Cross multiply
   19,784x = 30,405 × 30,405
4. Step 4: Simplify right side
   19,784x = 924,464,025
5. Step 5: Solve for x
   x = 924,464,025/19,784
6. Step 6: Final answer
   x = 46,727.86