Finding the Third Proportional to 72,714 and 154,216

Step by Step Solution

1. Step 1: Write the proportion equation
   72,714 : 154,216 = 154,216 : x
2. Step 2: Convert to fraction form
   72,714/154,216 = 154,216/x
3. Step 3: Cross multiply
   72,714x = 154,216 × 154,216
4. Step 4: Simplify right side
   72,714x = 23,782,574,656
5. Step 5: Solve for x
   x = 23,782,574,656/72,714
6. Step 6: Final answer
   x = 327,070.09