Finding the Third Proportional to 72,684 and 151,956

Step by Step Solution

1. Step 1: Write the proportion equation
   72,684 : 151,956 = 151,956 : x
2. Step 2: Convert to fraction form
   72,684/151,956 = 151,956/x
3. Step 3: Cross multiply
   72,684x = 151,956 × 151,956
4. Step 4: Simplify right side
   72,684x = 23,090,625,936
5. Step 5: Solve for x
   x = 23,090,625,936/72,684
6. Step 6: Final answer
   x = 317,685.13