Finding the Third Proportional to 79,770 and 123,863

Step by Step Solution

1. Step 1: Write the proportion equation
   79,770 : 123,863 = 123,863 : x
2. Step 2: Convert to fraction form
   79,770/123,863 = 123,863/x
3. Step 3: Cross multiply
   79,770x = 123,863 × 123,863
4. Step 4: Simplify right side
   79,770x = 15,342,042,769
5. Step 5: Solve for x
   x = 15,342,042,769/79,770
6. Step 6: Final answer
   x = 192,328.48