Finding the Third Proportional to 52,728 and 71,580

Step by Step Solution

1. Step 1: Write the proportion equation
   52,728 : 71,580 = 71,580 : x
2. Step 2: Convert to fraction form
   52,728/71,580 = 71,580/x
3. Step 3: Cross multiply
   52,728x = 71,580 × 71,580
4. Step 4: Simplify right side
   52,728x = 5,123,696,400
5. Step 5: Solve for x
   x = 5,123,696,400/52,728
6. Step 6: Final answer
   x = 97,172.21