Finding the Third Proportional to 72,876 and 151,968

Step by Step Solution

1. Step 1: Write the proportion equation
   72,876 : 151,968 = 151,968 : x
2. Step 2: Convert to fraction form
   72,876/151,968 = 151,968/x
3. Step 3: Cross multiply
   72,876x = 151,968 × 151,968
4. Step 4: Simplify right side
   72,876x = 23,094,273,024
5. Step 5: Solve for x
   x = 23,094,273,024/72,876
6. Step 6: Final answer
   x = 316,898.20