Finding the Third Proportional to 72,687 and 151,962

Step by Step Solution

1. Step 1: Write the proportion equation
   72,687 : 151,962 = 151,962 : x
2. Step 2: Convert to fraction form
   72,687/151,962 = 151,962/x
3. Step 3: Cross multiply
   72,687x = 151,962 × 151,962
4. Step 4: Simplify right side
   72,687x = 23,092,449,444
5. Step 5: Solve for x
   x = 23,092,449,444/72,687
6. Step 6: Final answer
   x = 317,697.10