Finding the Third Proportional to 72,868 and 157,216

Step by Step Solution

1. Step 1: Write the proportion equation
   72,868 : 157,216 = 157,216 : x
2. Step 2: Convert to fraction form
   72,868/157,216 = 157,216/x
3. Step 3: Cross multiply
   72,868x = 157,216 × 157,216
4. Step 4: Simplify right side
   72,868x = 24,716,870,656
5. Step 5: Solve for x
   x = 24,716,870,656/72,868
6. Step 6: Final answer
   x = 339,200.62