Finding the Third Proportional to 39,972 and 58,662

Step by Step Solution

1. Step 1: Write the proportion equation
   39,972 : 58,662 = 58,662 : x
2. Step 2: Convert to fraction form
   39,972/58,662 = 58,662/x
3. Step 3: Cross multiply
   39,972x = 58,662 × 58,662
4. Step 4: Simplify right side
   39,972x = 3,441,230,244
5. Step 5: Solve for x
   x = 3,441,230,244/39,972
6. Step 6: Final answer
   x = 86,091.02