Finding the Third Proportional to 30,672 and 63,936

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672 : 63,936 = 63,936 : x
2. Step 2: Convert to fraction form
   30,672/63,936 = 63,936/x
3. Step 3: Cross multiply
   30,672x = 63,936 × 63,936
4. Step 4: Simplify right side
   30,672x = 4,087,812,096
5. Step 5: Solve for x
   x = 4,087,812,096/30,672
6. Step 6: Final answer
   x = 133,275.04