Finding the Third Proportional to 72,719 and 156,922

Step by Step Solution

1. Step 1: Write the proportion equation
   72,719 : 156,922 = 156,922 : x
2. Step 2: Convert to fraction form
   72,719/156,922 = 156,922/x
3. Step 3: Cross multiply
   72,719x = 156,922 × 156,922
4. Step 4: Simplify right side
   72,719x = 24,624,514,084
5. Step 5: Solve for x
   x = 24,624,514,084/72,719
6. Step 6: Final answer
   x = 338,625.59