Finding the Third Proportional to 70,779 and 154,684

Step by Step Solution

1. Step 1: Write the proportion equation
   70,779 : 154,684 = 154,684 : x
2. Step 2: Convert to fraction form
   70,779/154,684 = 154,684/x
3. Step 3: Cross multiply
   70,779x = 154,684 × 154,684
4. Step 4: Simplify right side
   70,779x = 23,927,139,856
5. Step 5: Solve for x
   x = 23,927,139,856/70,779
6. Step 6: Final answer
   x = 338,054.22