Finding the Third Proportional to 40,897 and 87,710

Step by Step Solution

1. Step 1: Write the proportion equation
   40,897 : 87,710 = 87,710 : x
2. Step 2: Convert to fraction form
   40,897/87,710 = 87,710/x
3. Step 3: Cross multiply
   40,897x = 87,710 × 87,710
4. Step 4: Simplify right side
   40,897x = 7,693,044,100
5. Step 5: Solve for x
   x = 7,693,044,100/40,897
6. Step 6: Final answer
   x = 188,107.79