Finding the Third Proportional to 40,972 and 55,608

Step by Step Solution

1. Step 1: Write the proportion equation
   40,972 : 55,608 = 55,608 : x
2. Step 2: Convert to fraction form
   40,972/55,608 = 55,608/x
3. Step 3: Cross multiply
   40,972x = 55,608 × 55,608
4. Step 4: Simplify right side
   40,972x = 3,092,249,664
5. Step 5: Solve for x
   x = 3,092,249,664/40,972
6. Step 6: Final answer
   x = 75,472.27