Finding the Third Proportional to 40,570 and 89,131

Step by Step Solution

1. Step 1: Write the proportion equation
   40,570 : 89,131 = 89,131 : x
2. Step 2: Convert to fraction form
   40,570/89,131 = 89,131/x
3. Step 3: Cross multiply
   40,570x = 89,131 × 89,131
4. Step 4: Simplify right side
   40,570x = 7,944,335,161
5. Step 5: Solve for x
   x = 7,944,335,161/40,570
6. Step 6: Final answer
   x = 195,817.97