Finding the Third Proportional to 48,728 and 72,895

Step by Step Solution

1. Step 1: Write the proportion equation
   48,728 : 72,895 = 72,895 : x
2. Step 2: Convert to fraction form
   48,728/72,895 = 72,895/x
3. Step 3: Cross multiply
   48,728x = 72,895 × 72,895
4. Step 4: Simplify right side
   48,728x = 5,313,681,025
5. Step 5: Solve for x
   x = 5,313,681,025/48,728
6. Step 6: Final answer
   x = 109,047.80