Finding the Third Proportional to 19,788 and 30,270

Step by Step Solution

1. Step 1: Write the proportion equation
   19,788 : 30,270 = 30,270 : x
2. Step 2: Convert to fraction form
   19,788/30,270 = 30,270/x
3. Step 3: Cross multiply
   19,788x = 30,270 × 30,270
4. Step 4: Simplify right side
   19,788x = 916,272,900
5. Step 5: Solve for x
   x = 916,272,900/19,788
6. Step 6: Final answer
   x = 46,304.47